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Showing posts from May, 2010

Harmony search .28Geem.2C Kim .26 Loganathan 2001.29 List of metaphor-based metaheuristics

harmony search phenomenon-mimicking metaheuristic introduced in 2001 zong woo geem, joong hoon kim, , g. v. loganathan. harmony search inspired improvisation process of jazz musicians. harmony search has been criticized being special case of well-established evolution strategies algorithm. the harmony search (hs) relatively simple yet efficient evolutionary algorithm. in hs algorithm bunch/group of solutions randomly generated (called harmony memory). new solution generated using solutions in harmony memory (rather 2 used in ga) , if new solution better worst solution in harmony memory, worst solution gets replaced new solution. though hs relatively new meta heuristic algorithm, effectiveness , advantages have been demonstrated in various applications design of municipal water distribution networks, structural design, traffic routing, load dispatch problem in electrical engineering, multi objective optimization, rostering problems, clustering, classification , feature selection name fe...

Canada Love lock

love padlocks attached railing of corktown footbridge in canada, love padlocks appearing along wild pacific trail in ucluelet on vancouver island, have caused controversy regard them distraction nature. love padlocks removed humber bay arch bridge in toronto, due concerns on aesthetics , structural concerns if bridge become love padlock destination. ottawa s corktown footbridge has attracted love locks. ^ aboelsaud, yasmin (6 january 2011). accidental locks of love on wild pacific trail . westerly news. retrieved 19 august 2011.  ^ hempstead, doug (13 february 2013). inscribing couple s names on locks big deal on ottawa s corkstown bridge . ottawa sun. canoe sun media. retrieved 14 july 2014. 

District 22 United States House of Representatives elections in Texas, 2010

freshman pete olson won 2008 election 53% in heavily republican district. in 2010, faced democrat kesha rogers, larouche movement supporter, , libertarian steve susman, small business owner in general election. campaign contributions center responsive politics race profile @ new york times ^ district 22 dems go rogers . retrieved march 3, 2010.  ^ congressional elections: texas district 22 race: 2010 cycle | opensecrets ^ texas 22nd district profile . new york times. 

Philanthropy Lou Grasmick

grasmick has ties many community organizations in baltimore through both volunteerism , philanthropy. planned , delivered anchorage in boston street when canton rat-infested dump . investor in harbor east. grasmick s lumber company enabled rebuilding of pentagon after 9/11. led b&o museum s roof rehabilitation. grasmick quoted saying there ways give community other money. have following, whether s friends , families or coworkers. have followings. leader, decide take role of motivating followers energy , ideas. activities 1992 – founded house heart foundation – dedicated betterment of lives of needy marylanders. 1994 – co-chaired paul anka concert ($50,000.00 signal 13) 1995 – co-chaired eddy arnold concert ($30,000.00 childhood learning disabilities) 1997 – chaired minds across america raising funds purchase 100,000 books needy children 1998 – chaired 007 tomorrow never dies movie premier raising $250,000.00 johns hopkins broccoli center 2003 – chaired 007 die day movie premier...

The Molotov-Ribbentrop Pact Soviet occupation of Bessarabia and Northern Bukovina

soviet foreign minister vyacheslav molotov signs molotov-ribbentrop pact. behind him stand (left) german foreign minister joachim von ribbentrop , (right) soviet leader joseph stalin. on august 23, 1939, soviet union , nazi germany signed molotov-ribbentrop pact, non-aggression treaty contained additional secret protocol maps, in demarcation line through eastern europe drawn, dividing german , soviet interest zones. bessarabia among regions assigned soviet sphere of interest pact. article iii of secret additional protocol states: with regard southeastern europe attention called soviet side interest in bessarabia. german side declares complete political disinterestedness in these areas.

Demographics Greene County, Iowa

2000 census age pyramid greene county as of census of 2000, there 10,366 people, 4,205 households, , 2,859 families residing in county. population density 18 people per square mile (7/km²). there 4,623 housing units @ average density of 8 per square mile (3/km²). racial makeup of county 98.16% white, 0.14% black or african american, 0.15% native american, 0.24% asian, 0.01% pacific islander, 0.67% other races, , 0.63% 2 or more races. 1.66% of population hispanic or latino of race. there 4,205 households out of 30.70% had children under age of 18 living them, 57.30% married couples living together, 7.20% had female householder no husband present, , 32.00% non-families. 29.10% of households made of individuals , 16.60% had living alone 65 years of age or older. average household size 2.41 , average family size 2.97. in county, population spread out 25.60% under age of 18, 6.10% 18 24, 24.30% 25 44, 22.40% 45 64, , 21.60% 65 years of age or older. median age 41 years. every 100 femal...

Technology Shimmer Sensing

1 technology 1.1 shimmer3 1.2 shimmer3 gsr+ unit 1.3 shimmer3 ecg unit 1.4 shimmer3 emg unit 1.5 consensys software 1.6 neurolynq technology shimmer designed wearable , remote sensing applications. shimmer platform flexible , adaptable making easy integrate existing systems , technologies. technology designed overcome challenges of size , weight , , power constraints. shimmer3 the shimmer3 smallest, slimmest , robust wearable sensor created shimmer. shimmer3 offers best data quality integrated 9dof (degrees of freedom) inertial sensing via accel, gyro, mag , altimeter, each selectable range. shimmer3 can applied variety of applications surrounding human health monitoring , activities of daily living , connected health solutions , sports science. shimmer3 gsr+ unit the gsr+ unit used measuring electrical characteristics or conductance of skin, capturing ppg signal , converting estimate heart rate (hr), using shimmer ear clip. application can applied variety of applications such market r...

Public employment agencies Employment agency

one of oldest references public employment agency in 1650, when henry robinson proposed office of addresses , encounters link employers workers. british parliament rejected proposal, himself opened such business, short-lived. the idea create public employment agencies way fight unemployment adopted in every developed country beginning of twentieth century. in united kingdom, first labour exchange established social reformer , employment campaigner alsager hay hill in london in 1871. later augmented officially sanctioned exchanges created labour bureau (london) act 1902, subsequently went nationwide, movement prompted liberal government through labour exchanges act 1909. present public provider of job search called jobcentre plus. in united states, federal programme of employment services rolled out in new deal. initial legislation called wagner-peyser act of 1933 , more job services happen through one-stop centers established workforce investment act of 1998. in australia, first publ...

Crime Chicago

chicago police department suv, 2011 chicago had murder rate of 18.5 per 100,000 residents in 2012, ranking 16th among cities 100,000 people or more. higher in new york city , los angeles, 2 largest cities in united states, have lower murder rates , lower total homicides. however, less in many smaller american cities, including new orleans, newark, , detroit, had 53 murders per 100,000 residents in 2012. 2015 year-end crime statistics showed there 468 murders in chicago in 2015 compared 416 year before, 12.5% increase, 2,900 shootings—13% more year prior, , 29% since 2013. chicago had more homicides other city in 2015 in total not on per capita basis, according chicago tribune. in annual crime statistics 2016, chicago police department reported city experienced dramatic rise in gun violence, 4,331 shooting victims. department reported 762 murders in chicago year 2016, total marked 62.8% increase in homicides 2015. in june 2017, chicago police department , federal atf announced new task ...

Early Admission Scheme Hong Kong Certificate of Education Examination

the admission scheme (or eas ), subsystem of joint university programmes admissions system (jupas) since 2003, allowed school candidates 6 or more s (distinctions) on first attempt of hkcee, level 4 or above in english language, , level 4 or above in chinese language or c or above in french or putonghua apply university of hong kong, chinese university of hong kong, or hong kong university of science , technology institutions after secondary 6 study, without need sit hkale. each year 400–600 students entered scheme via subsystem in jupas. selection procedure exists in scheme but, unlike mainstream scheme of jupas, students guaranteed firm offer in eas regardless of number of applicants in eas. students met eas requirements not need apply scheme enter aforementioned universities (though of them will), need take part in hkale , participate in mainstream scheme if did not participate , want pursue studies in hong kong. there rare cases students eligible eas given independent offers un...

Weighting by sign Natal astrology

these planets , astrological glyphs commonly used in western astrology. masculine (fire , air signs): masculine signs aries, gemini, leo, libra, sagittarius, , aquarius. native these signs predominating tend towards extroversion, confidence , assertiveness, , have ability solve problems courage , enterprise. feminine (earth , water signs): feminine signs taurus, cancer, virgo, scorpio, capricorn, , pisces. native these signs predominating tend towards introversion, shyness , passivity, , have ability nurture, conserve , solve problems intuitive means. fire: fire signs aries, leo, , sagittarius. native fire signs energetic, enthusiastic , optimistic, need in center of action making things happen. can egotistical, headstrong , arrogant, can generous, warm-hearted, , spontaneously kind. fire subjects independent , prefer have control on own lives, can autocratic. subject lacking fire signs fearful or over-cautious, pessimistic , shy, , lack enthusiasm, confidence , faith in future. planet...

Marriages Rupert Murdoch

murdoch third wife, wendi, in 2011 in 1956 murdoch married patricia booker, former shop assistant , flight attendant melbourne, , had child, prudence, in 1958. divorced in 1967. in 1967 murdoch married anna maria torv (tõrv), scottish-born cadet journalist working sydney newspaper daily telegraph. in january 1998, 3 months before announcement of separation anna, roman catholic, murdoch made knight commander of order of saint gregory great (ksg), papal honour awarded pope john paul ii. torv , murdoch had 3 children: elisabeth murdoch (born in sydney, australia on 22 august 1968), lachlan murdoch (born in london, uk on 8 september 1971), , james murdoch, (born in london on 13 december 1972). murdoch s companies published 2 novels wife: family business (1988) , coming terms (1991), both regarded vanity publications. divorced in june 1999. anna murdoch received settlement of us$1.2 billion in assets. on 25 june 1999, 17 days after divorcing second wife, murdoch, aged 68, married chines...

Textiles List of Japanese inventions and discoveries

^ non-stop shuttle change toyoda automatic loom, type g (in japanese). japan society of mechanical engineers.  ^ james e. hoare. historical dictionary of democratic people s republic of korea. scarecrow press, 2012 ^ patent no. 147,958, february 20, 1941, ichiro sakurada, yi sung-ki [lee. s. or ri. sung.gi. , hiroshi kawakami, issued institute of japan chemical fiber.

TI-99 History of personal computers

texas instruments (ti), @ time world s largest chip manufacturer, decided enter home computer market texas instruments ti-99/4a. announced long before arrival, industry observers expected machine wipe out competition – on paper performance untouchable, , ti had enormous cash reserves , development capability. when released in late 1979, ti took slow approach introducing it, focusing on schools. contrary earlier predictions, ti-99 s limitations meant not giant-killer expected, , number of design features highly controversial. total of 2.8 million units shipped before ti-99/4a discontinued in march 1984.

Discography Ralph Bowen

1 discography 1.1 leader 1.2 co-leader 1.3 sideman 1.4 complete discography discography as leader ralph bowen, 2017 (posi-tone) standard deviation, 2014 (posi-tone) total eclipse, 2012 (posi-tone) power play, 2011 (posi-tone) due reverence, 2010 (posi-tone) dedicated, 2009 (posi-tone) five, 2008 (criss cross) keep change, 2004 (criss cross) soul proprietor, 2002 (criss cross) a morning view, 2001 (ratamacue) movin on, 1992 (criss cross) as co-leader out of blue out of blue (1985) blue note inside track (1986) blue note live in mt fuji (1986) blue note spiral staircase (1989) blue note other projects free trade (1994) justin time luvpark (2004) imani as sideman 2017 michael dease sextet “tba” posi-tone 2016 dr. anthony branker , imagine beauty within origin records jae sinnett quartet “zero 60” j-nett records andre white & dave laing “give drummer some” dk records 2014 dr. anthony branker , word play “the forward suite” origin 2013 bob devos “shadow box” asm dr. anthony branker ,...

Main antagonists List of Kirby characters

1 main antagonists 1.1 dark matter 1.2 nightmare 1.3 magolor 1.4 marx 1.5 dark mind 1.6 drawcia 1.7 yin-yarn 1.8 necrodeus 1.9 queen sectonia 1.10 dark crafter 1.11 president haltmann 1.12 star dream main antagonists dark matter dark matter, seen in kirby s dream land 2. dark matter (ダークマター, dāku matā) species of creatures, commonly appearing black orb covered in orange petal-like extensions , single red eye. force of negative energy lives lonely existence, , attacked pop star out of jealousy dream land s lifestyle, seeking recreate dark world no 1 can happy. dark matter can possess other beings, putting them under control. a lone dark matter makes debut in kirby s dream land 2 , possesses king dedede. rainbow drops extract , reveal form masked, robed being wielding magical sword. after being defeated, assumes small orb form faces kirby. in kirby s dream land 3, dark matter returns pop star , possesses many of inhabitants. after aiding various creatures in need, kirby obtains love-love...

Main characters List of Kirby characters

1 main characters 1.1 kirby 1.2 king dedede 1.3 meta knight main characters kirby kirby (カービィ, kābī) pink puffball has been star of number of namesake games developed hal laboratory. kirby has appeared in on twenty games since 1992 , has starred in own animated series. kirby series has sold on 33 million units worldwide. core games of series platformers. villains encounters typically threaten home of dream land (プププランド, pupupu rando, pupupu land ) on planet pop star, greedy king dedede or mysterious meta knight. main games have kirby same basic abilities; can walk, run, jump, float, , inhale , spit out or swallow enemies. following kirby s dream land, kirby able gain abilities of enemies swallowed, such fire, sword, fighter, , cutter. kirby can spit water out of mouth while underwater. kirby has had own anime. king dedede king dedede (デデデ大王, dedede daiō) primary villain of series , archenemy of kirby, though anti-hero. large penguin-like creature serves monarch of dream land, carryi...

Communities Guthrie County, Iowa

1 communities 1.1 cities 1.2 townships 1.3 census-designated places 1.4 population ranking communities cities townships census-designated places diamondhead lake lake panorama population ranking the population ranking of following table based on 2010 census of guthrie county. † county seat

For school libraries Traveling library

the rapid , extensive changes in school curricula , modern methods of teaching, of imply considerable use of material outside textbook, make school library more ever essential part of school. rural , small town schools, no less schools in large cities, need fresh books in libraries. in cases funds available purpose inadequate. traveling library sent library commission, department of education, or other central agency can fill need better , @ less expense local school board. can supply books needed supplement standard books, reference books, , supplementary readers , textbooks school must have permanent part of equipment. in many cases, traveling library show whether or not desired book needed permanently.

Types of bootstrap scheme Bootstrapping (statistics)

1 types of bootstrap scheme 1.1 case resampling 1.1.1 estimating distribution of sample mean 1.1.2 regression 1.2 bayesian bootstrap 1.3 smooth bootstrap 1.4 parametric bootstrap 1.5 resampling residuals 1.6 gaussian process regression bootstrap 1.7 wild bootstrap 1.8 block bootstrap 1.8.1 time series: simple block bootstrap 1.8.2 time series: moving block bootstrap 1.8.3 cluster data: block bootstrap types of bootstrap scheme in univariate problems, acceptable resample individual observations replacement ( case resampling below) unlike subsampling, in resampling without replacement , valid under weaker conditions compared bootstrap. in small samples, parametric bootstrap approach might preferred. other problems, smooth bootstrap preferred. for regression problems, various other alternatives available. case resampling bootstrap useful estimating distribution of statistic (e.g. mean, variance) without using normal theory (e.g. z-statistic, t-statistic). bootstrap comes in handy when th...

Participating Clubs 1994 TFL Statewide League season

1 participating clubs 1.1 1994 tfl statewide league club coaches 1.2 tfl statewide league reserves grand final 1.3 tfl statewide league colts (under-19 s) grand final 1.4 tfl fourths (under-17 s) grand final 1.5 leading goalkickers: tfl statewide league 1.6 medal winners 1.7 interstate matches participating clubs – burnie hawks football club – clarence district football club – devonport football club – glenorchy district football club – hobart football club – launceston football club – new norfolk district football club – north hobart football club – north launceston football club – sandy bay football club – south launceston football club 1994 tfl statewide league club coaches – mark lee (burnie hawks) – stevie wright (clarence) – andy goodwin (devonport) – kim excell (glenorchy) – wayne petterd (hobart) – peter chisnall (launceston) – darren dennemann (new norfolk) – andy bennett (north hobart) – robert groenewegen (north launceston) – chris fagan (sandy bay) – d...

Hiss Case Esther Shemitz

foley square in 2014 in new york city, site of grand jury , trials in hiss case. during deposition slander suit of alger hiss against chambers in 1948, hiss legal team s rough treatment of shemitz final factor in leading chambers disclose existence of life preserver, contained baltimore documents , pumpkin papers. during hiss case , trials, shemitz corroborated , augmented of husband s testimony. (she further explained, trying remember things had shut out of mind, though completely. ) in december 1948, indictments in hiss case pending, shemitz struck elderly female pedestrian car; woman died. accident made front pages: brooklyn eagle sunday, december 19, 1948 held in auto death mrs. whittaker chambers, wife of self-con-fessed former communist spy, leaves baltimore police station after arraignment in connection death of aged woman struck car going railroad station pick husband after testified before federal grand jury in manhattan. mrs. chambers former esther shemitz of brooklyn....

Design German cruiser Emden

1 design 1.1 general characteristics 1.2 machinery 1.3 armament design according article 181 of treaty of versailles, treaty ended world war i, german navy permitted 6 light cruisers. article 190 limited new cruiser designs 6,000 long tons (6,100 t) , prohibited new construction until vessel replaced @ least twenty years old. design work on first new light cruiser, ordered ersatz niobe , began in 1921. ship intended long-range overseas service, designers placed emphasis on large cruising radius , capacious crew accommodation spaces. designers wanted use main battery of 8 15-centimeter (5.9 in) guns in 4 dual mounts, allied powers insisted on single gun turrets. arrangement placed 4 guns amidships, reduced power of broadside, 6 guns fire on either side, opposed eight. the ship based on cruiser designs late in world war i, due personnel shortages in design staff , closure of navy s experimental institute. nevertheless, ship incorporated major advances on earlier designs, includ...

Historical reference Churning (butter)

churning butter (photo taken in 1944) the household cyclopedia of 1881 instructs: let cream @ temperature of 55° 60°, fahrenheit thermometer; important. if weather cold put boiling water churn half hour before want use it; when poured off strain in cream through butter cloth. when butter coming, ascertained sound, take off lid, , small, flat board scrape down sides of churn, , same lid: prevents waste. when butter come butter-milk poured off , spring water put churn, , turned 2 or 3 minutes; poured away , fresh added, , again handle turned minute or two. should there least milkiness when poured churn, more must put in. the butter placed on board or marble slab , salted taste; cream cloth, wrung out in spring water, press moisture it. when dry , firm make rolls flat boards. whole process should completed in three-quarters of hour. in hot weather pains must taken keep cream reaching high heat. if dairy not cool enough, keep cream-pot in coldest water can get; make butter in morning, , pl...

Achievements Sho Sasaki

1 achievements 1.1 asia championships 1.2 bwf grand prix 1.3 bwf international challenge/series achievements asia championships men s singles bwf grand prix the bwf grand prix has 2 level such grand prix , grand prix gold. series of badminton tournaments, sanctioned badminton world federation (bwf) since 2007. men s singles      bwf grand prix gold tournament      bwf grand prix tournament bwf international challenge/series men s singles men s doubles      bwf international challenge tournament      bwf international series tournament

How it works Anchor escapement

1 how works 1.1 recoil 1.2 crutch , fork 1.3 design details how works the anchor escapement consists of 2 parts: escape wheel, vertical wheel pointed teeth on rather saw teeth, , anchor, shaped vaguely ship s anchor, swings , forth on pivot above escape wheel. on 2 arms of anchor curved , flat faces teeth of escape wheel push against, called pallets. central shaft of anchor attached fork pushed pendulum, anchor swings , forth, pallets alternately catching , releasing escape wheel tooth on each side. each time 1 pallet moves away escape wheel, releasing tooth, wheel turns , tooth on other side catches on other pallet, moving toward wheel. momentum of pendulum continues move second pallet toward wheel, pushing escape wheel backwards distance, until pendulum reverses direction , pallet begins move away wheel, tooth sliding along surface, pushing it. tooth slides off end of pallet, beginning cycle again. neither anchor escapement nor deadbeat form, below, self-starting. pendulum must given...

Literature Arts and entertainment in India

rabindranath tagore won nobel prize literature. first nobel prize won asia. indian literature acknowledged, not wholly established, oldest in world. india has 22 officially recognized languages, , huge variety of literature has been produced in these languages on years. in indian literature, oral , written forms both important. hindu literary traditions dominate large part of indian culture. apart vedas sacred form of knowledge, there other works such hindu epics ramayana , mahabharata, treatises such vaastu shastra in architecture , town planning, , arthashastra in political science. devotional hindu drama, poetry , songs span subcontinent. among best known works of kalidasa (writer of famed sanskrit play shakuntala) , tulsidas (who wrote epic hindi poem based on ramayana, called raamcharitmaanas). tamil literature has been in existence more 2500 years. tolkaappiyam has been credited oldest work, whereas exact origins of thirukkural unknown. golden age of tamil literature during sanga...

Design Marionnet

marionnet design. on top of gnu/linux host, emulation of guest machines achieved through user mode linux technology allows run many linux kernels in user space regular processes. vde - virtual distributed ethernet project responsible of linking uml machines in virtual network, purpose emulate cable, hub , switch devices allowing introduce perturbations in communication. on top of raw emulated network marionnet acts coherent manager , gui. marionnet example of complex concurrent application written in functional language, using relatively advanced programming techniques.

Training career Gai Waterhouse

waterhouse granted australian jockey club (ajc) licence in january 1992, although made difficult husband, robbie waterhouse, banned on involvement in fine cotton scandal. ajc rules @ time stipulated spouse of banned person not licensed, although subsequently overturned. first winner horse gifted poet in march 1992, , first group 1 winner te akau nick in metropolitan handicap in october year. after father, t. j. smith became ill, passed on tulloch lodge stable in 1994–95 season. waterhouse first achieved fame in australia when nothin leica dane came melbourne cup in 1995 after winning victoria derby 3 days earlier. three-year-old colt ran second in melbourne cup, race no three-year-old had won since skipton in 1941. during 1996–97 season, had ten group 1 wins , won first sydney premiership. in 2001, waterhouse trained first, second, , third place-getters in golden slipper , added first of 3 successive sydney training premierships, culminating 156 wins in 2002/03, equalling father s syd...

Under the Third Republic Jacques Marie Eugène Godefroy Cavaignac

godefroy cavaignac received military medal service in franco-prussian war, , in 1872 entered École polytechnique. served civil engineer in angoulême until 1881, when became master of requests in council of state. in next year elected deputy arrondissement of saint-calais (sarthe) in republican interest. in 1885-1886 under-secretary war in henri brisson ministry, , served in cabinet of Émile loubet (1892) minister of marine , of colonies. had exchanged moderate republicanism radical views before became war minister in cabinet of léon bourgeois (november 1, 1895 april 29, 1896). he again minister of war in brisson cabinet june 28, 1898 september 5, 1898. in july 1898, read in chamber document, incriminated captain alfred dreyfus. on august 30, however, stated had been discovered forgery colonel henry, refused concur colleagues in revision of dreyfus prosecution, logical outcome of own exposure of forgery. resigning portfolio, continued declare conviction of dreyfus s guilt, , joined nati...

Shows Radia

1 shows 1.1 content 1.2 production 1.3 exchange shows the radia network s basis weekly 28 minutes show broadcast stations. each station produces show in turns. every round of shows called season. content as stated in jingle, radia bringing new , forgotten ways of making radio [their] listeners. each week [they] give artists challenge make radio works across europe , beyond. radia show intends cross boundaries , address people of different languages , cultures. explores different genres of radio art, separately or mixing them: sound art, electroacoustic music, sound poetry, radio drama, soundscape. production usually each member radio station commissions artist local artistic community , gives him/her carte blanche producing show. in sense, radia uses radio gallery sound art pieces. exchange to share shows radia network formerly used radioswap.net, semi-public closed platform program exchange between community radios. utilizes server space of 1 of member stations.

Telegraph and power transmission insulators Insulator (electricity)

1 telegraph , power transmission insulators 1.1 material 1.2 design 1.3 types of insulators 1.4 suspension insulators 1.5 history telegraph , power transmission insulators power lines ceramic insulators in california, usa overhead conductors high-voltage electric power transmission bare, , insulated surrounding air. conductors lower voltages in distribution may have insulation bare well. insulating supports called insulators required @ points supported utility poles or transmission towers. insulators required wire enters buildings or electrical devices, such transformers or circuit breakers, insulate wire case. these hollow insulators conductor inside them called bushings. 10 kv ceramic insulator, showing sheds material insulators used high-voltage power transmission made glass, porcelain or composite polymer materials. porcelain insulators made clay, quartz or alumina , feldspar, , covered smooth glaze shed water. insulators made porcelain rich in alumina used high mechanical strength...