IS 302-2-59: Safety of Household and Similar Electrical Appliances, Part 2: Particular Requirements, Section 59: Insect Killers PDF
Preview IS 302-2-59: Safety of Household and Similar Electrical Appliances, Part 2: Particular Requirements, Section 59: Insect Killers
इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 302-2-59 (1999): Safety of Household and Similar Electrical Appliances, Part 2: Particular Requirements, Section 59: Insect Killers [ETD 32: Electrical Appliances] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” SI 95-2-203 ( 1999 ) Indian Standard YTEFAS FO DLOHESUOH AND RALIMIS LACIRTCELE SECNAILPPA PART 2 PARTICULAR REQUIREMENTS Section 59 Insect Killers ICS 97.180 0 BIS 1999 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADLR SHAH ZAFARMARG NEWDELHI February 1999 PriceGroup 5 lacirtcelE secnailppA lanoitceS ,eettimmoC DTE 32 FOREWORD sihT naidnI dradnatS ( traP teS/2 59 ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht lacirtcelE secnailppA lanoitceS eettimmoC had neeb devorppa yb eht lacinhcetortcelE noisiviD .licnuoC sihT standard srevoc lareneg and ytefas stnemeriuqer fo tcesni srellik ot erusne lanosrep ytefas against cirtcele ,kcohs ytefas against eht stceffe fo evissecxe erutarepmet and .erif sihT standard is ot eb daer ni noitcnujnoc htiw SI l-203 .)9791( roF eht ekas fo ,ecneinevnoc eht sesualc fo this standard dnopserroc ot esoht fo SI l-203 .)9791( Clauses hcihw era elbacilppa hcihw( snaem that tnaveler -ivorp snois fo eht esualc )ylppa ro ton elbacilppa and yrassecen segnahc reverehw deriuqer erew detacidni ;ylgnidrocca selbat/sesualcbus/sesualC hcihw era lanoitidda ot esoht fo SI l-203 )9791( era derebmun starting morf ;101 lanoitidda sexennA era derettel AA, BB and os .no ,dluohS ,revewoh yna noitaived tsixe neewteb SI l-203 )9791( and this standard, eht snoisivorp fo eht rettal shall .ylppa elihW gniraperp this standard, assistance has neeb devired morf CEI buP 95-2-533 )0991( ytefaS‘ fo dlohesuoh and ralimis lacirtcele secnailppa : traP 2 ralucitraP ,stnemeriuqer noitceS 59 tcesnI ’srellik issued yb eht lanoitanretnI lacinhcetortcelE noissimmoC .)CEI( ehT naidnI Standards hcihw era yrassecen stcnujda ot this standard era nevig ni xennA AA. roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ni5o ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( desiver .‘) ehT rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard. IS 302-2-59 ( 1999 ) Indian Standard YTEFAS FO DLOHESUOH AND RALIMIS LACIRTCELE SECNAILPPA PART 2 PARTICULAR REQUIREMENTS Section 59 Insect Killers 1 SCOPE Additonal Subclause sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe 2.2.101 Insect Killer as :swollof An ecnailppa hcihw setucortcele stcesni yb -divorp 1.1 Replacement gni a hgih egatlov neewteb owt ro erom grids. sihT standard seilppa ot ytefas fo cirtcele tcesni 3 STNEMERIUQERLARENEG srellik rof dlohesuoh and ralimis ,sesoprup sihT esualc fo SI l-203 )9791( is .elbacilppa NOTES 4 GENERAL NOTES ON TESTS 1 This standard does not take into account the special sihT esualc fo SI l-203 )9791( is elbacippa tpecxe as hazards which exist in use of this appliance by young children or aged or intirmed persons without supervi- .swollof sion. In such cases, additional requirements may be necessary. Additional Subclauses 2 This standard does not apply to: 4.101 roF hcae ,tset eht tsom elbaruovafnu lamron daol noitidnoc deificeps ni 2.2.30 is .desu - insect killers which function by emitting vaporized chemicals; and 4.102 Unless esiwrehto ,deificeps tcesni srellik era - insect killers intended to be used in locations where detset as rotom detarepo .secnailppa special conditions prevail, such as the presence of 5 GNITAR a corrosive or explosive atmosphere (dust, vapour or gas). sihT esualc fo SI l-203 )9791( is .elbacilppa 3 For insect killers provided with discharge or tungsten 6 CLA!%XFICATION filament lamps IS 10322 ( Part S/ Set 1 ) also applies. sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as 2 DEFINITIONS .swollof sihT esualc fo traP 1 is elbacilppa tpecxe as .swollof 6.1 )3()a( - toN elbacilppa 2.2.30 Replacement 6.101 According to Environmental Conditions lamroN noitarepo setoned eht daol deniatbo nehw eht tcesni rellik is detarepo rednu eno fo eht gniwollof - rof roodni esu ,ylno and :snoitidnoc - elbatius rof roodtuo .esu - htiw eht tuptuo tiucric ;detiucric-trohs GNJKRAM7 - htiw eht grids detarapes yb eht mumixam sihT esualc fo SI -203 )979l(l is elbacilppa tpecxe as ecnatsid rof gniniatniam an ,cra eht tcesni rellik .swollof gnieb detarepo ni selcyc gnitsisnoc fo 1 s fo 7.1 noitiddA noitarepo dewollof yb a tser doirep fo 2 s; and - lobmys rof hgih egatlov ro ecnatsbus fo eht - htiw a evitsiser daol detcennoc neewteb eht gniwollof :gninraw grids and detsujda ot niatbo eht mumixam ,REGNAD HGIH EGATLOV tupni .tnerruc PEEK TUO FO HCAEP FO NERDLIHC 1 IS 302-2-59 ( 1999 ) sihT gnirettel fo eht warnings shall evah a thgieh fo 10 INPUT AND CURRENT at tsael 3 mm and eht lobmys a thgieh fo at tsael sihT esualc fo SI l-203 is .elbacilppa 10 .mm 11 TEMPERATURE RISE 7.5 Addition sihT esualc fo SI l-203 is elbacilppa tpecxe as .swollof b hgih egatlov 11.8 Addition to the Table 1 ehT lobmys shall eb ni ecnadrocca htiw SI 3722 secafruS hcihw era ylekil ot tcelloc dust ro stcesni traP( )1 and SI 3722 traP( 2 .) . . . . . . .C”o6. 7.12 noitiddA NOTE - Dust or insects are not considered likely to tcesnI srellik shall eb dedivorp htiw au noitcurtsni teehs collect on surfaces having an inclination of at least 60” hcihw sedulcni noitamrofni htiw drager :ot to the horizontal or on parts having a diameter less than 10 mm. - eht dohtem fo gninaelc eht tcesni gnitcelloc 12 OPERATION UNDER OVFBLOAD CONDlTiONS ;yart OFAPPLIANCESWITHHEATINGELEMENTS - eht dednemmocer ycneuqerf fo ;gninaelc sihT esualc fo SI l-203 )9791( is .elbacilppa - snoituacerp ot eb nekat nehw ;gninaelc and 13 ELECTRICAL INSULATION AND LEAKAGE - eht tnemecalper fo lamps and ,sretrats fi CURRENTATOPERATINGTEMPERA~ .elbacilppa sihT esualc fo SI l-203 )9791( is .elbacilppa ehT noitcurtsni teehs shall etats rehtehw eht tcepsni 14 RADIO AND TELEVISION INTERFERENCE rellik is rof roodni esu ylno ro elbatius rof roodtuo .esu SUPPRESSION fI eht tcesni rellik is rof roodni esu ,ylno eht -curtsni sihT esualc fo SI l-203 )9791( is .elbacilppa noit teehs shall etats that ti is ton elbatius rof esu ni barns, stables and ralimis .snoitacol 15 MOISTURE RESISTANCE sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as fI eht tcesni rellik is elbatius rof roodtuo ,esu eht .swollof noitcurtsni teehs shall edulcni eht ecnatsbus fo eht :gniwollof 15.1 noitiddA - Warning - An lacirtcele kcohs drazah yam retaW no eht hgih egatlov grids is .derongi tsixe fi retaw morf a nedrag esoh is detcerid 16 NOITALUSNI ECNATSISER AND CIRTCELE at eht tcesni ;rellik and HTGNERTS retfA( ytidimuH )tnemtaerT - diovA reporpmi esu fo noisnetxe ;sdroc peek sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as snoitcennoc yawa morf ;erutsiom diova .swollof lacisyhp egamad ot eht .droc 16.1 noitiddA 8 NOITCETORP TSNIAGA CIRTCELE KCOHS ecnailpmoC is osla dekcehc yb eht tset fo 16.101. sihT esualc fo SI l-203 ( 1979 ) is elbacilppa tpecxe as Additional Subclauses .swollof 16.101 A egatlov is deilppa rof 1 nim :neewteb 8.1 noitiddA - eht yramirp and yradnoces windings fo hgih ehT tset regnif yam hcuot elbissecca parts fo eht egatlov ,sremrofsnart and tuptuo tiucric fo Class I tcesni srellik nehw eht - eht yradnoces tiucric and eht ydob retfa yna hgih egatlov is deniatbo yb snaem fo an gnitalosni tnenopmoc detcennoc ot htrae has neeb .remrofsnart .detcennocsid 9 STARTING OF MOTOR-OPERATED ehT egatlov is ca tpecxe rof cd stiucric rof hcihw a cd APPLIANCES egatlov is .deilppa ehT esualc fo SI l-203 )9791( is .elbacilppa ehT eulav fo eht egatlov is eciwt eht mumixam gnikrow SI 302-2-59 ( 1999 ) egatlov plus 750 V tub htiw a muminim fo 1250 V. 22 NOITCURTSNOC ehT mumixam gnikrow egatlov rof a etisopmoc cd( plus sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as )ca egatlov is lauqe ot 0.707 deilpitlum yb eht -moc .swollof etisop kaep .eulav 22.1 Addition gniruD eht ,tset ereht shall eb on revohsalf ro insula- noit .nwodkaerb tcesnI srellik shall eb fo Class I and Class II .noitcurtsnoc NOTE - A meter having a maximum impedance of 30 RM is used for measuring secondary circuit 22.2 Addition voltages. tcesnI srellik elbatius rof roodtuo esu shall eb at tsael 16.102 hgiH egatlov sremrofsnart shall evah etauqeda .foorp-hsalps lanretni .noitalusni 22.11 noitiddA ecnailpmoC is dekcehc yb eht gniwollof :tset A ladiosunis egatlov is deilppa ot eht yramirp -imret fI a niard eloh is dedivorp ot wolla retaw ot wolf ,tuo nals fo eht remrofsnart hcus that eciwt eht gnikrow ti shall eb at tsael 5 mm ni retemaid ro 20 2mm aera htiw egatlov is decudni ni eht yradnoces .gnidniw a htdiw fo at tsael 3 .mm ehT ycneuqerf fo eht deilppa egatlov is desaercni Additional Subclauses evoba detar ycneuqerf ni redro ot diova evissecxe 22.101 srevoC and evitcetorp grids dednetni ot eb noitaticxe ,tnerruc eht noitarud fo eht tset :gnieb devomer rof gninaelc ,sesoprup shall eb dekcolretni - 60 s rof seicneuqerf up ot eciwt eht detar os that ereht is on foksir cirtcele .kcohs ;ycneuqerf lanoitnetninU noitarepo fo eht kcolretni shall eb detar ycneuqerf _ _ .detneverp - x021 ,S htiw a muminim - skcolretnI detcennoc ni eht tupni tiucric shall evah a tset ycneuqerf tcatnoc noitarapes fo at tsael 3 .mm fo 15 s, rof seicneuqerf evoba eciwt eht detar .ycneuqerf skcolretnI fo tcesni srellik ton dedivorp htiw an nI hcae esac a mumixam fo driht-eno fo eht tset gnitalosi remrofsnart shall tcennocsid all .selop egatlov is yllaitini deilppa retfa hcihw ti is desaercni ecnailpmoC is dekcehc yb ,noitcepsni yb tnemerusaem .yldipar and yb gniylppa eht standard tset regnif ot eht At eht dne fo eht ,tset eht egatlov is decuder yldipar gnitautca rebmem fo eht .kcolretni ot less than driht-eno fo eht tset egatlov erofeb gnihctiws .ffo 22.102 ehT tuptuo tiucric shall ton eb detcennoc ot elbissecca parts ro ot eht gnihtrae tiucric unless eht gniruD eht ,tset ereht shall eb on revohsalf ro -kaerb ecnailppa is fo Class I and eht hgih egatlov is deniatbo nwod neewteb windings ro neewteb tnecajda turns yb snaem fo an gnitalosi .remrofsnart fo eht emas .gnidniw ecnailpmoC is dekcehc yb .noitcepsni 17 DAOLREVO NOITCETORP 22.103 tcesnI srellik gnivah hgih egatlov grids ni eht sihT esualc fo SI l-203 )9791( is .elbacilppa mrof fo latnoziroh bars and erehw eht tuptuo tiucric 18 ENDURANCE is detcennoc ot elbissecca parts evah-llahs eht tsewol rab detcennoc ot eht gnihtrae .tiucric sihT esualc fo SI l-203 )9791( is ton .elbacilppa 19 LAMRONBA NOITAREPO ecnailpmoC is dekcehc yb .noitcepsni sihT esualc fo SI l-203 )9791( is .elbacilppa 23 GNIRIWLANRETNI 20 STABILITY DNA LACINAHCEM RAZARDS sihT esualc fo SI -203 )9791(1 is elbacilppa tpecxe as .swollof sihT esualc fo SI l-203 )9791( is .elbacilppa 21 LACINARCEM HTGNERTS Additional Subclause sihT esualc fo SI l-203 )9791( is .elbacilppa 23.101 ehT noitalusni fo lanretni srotcudnoc shall eb 3 SI 302-2-59(1999) etauqeda rof eht egatlov ot hcihw ti is .desopxe 26 SLANIMRET LANRFTXEROF SROTCUDNOC ecnailpmoC is dekcehc yb noitcepsni and yb -erusaem sihT esualc fo SI l-203 )9791( is .elbacilppa .tnem 27 NOISIVORP FOR GNIHTRAE nI esac fo ,tbuod an cirtcele htgnerts tset is edam sihT esualc fo SI l-203 ( 1979 ) is .elbacilppa neewteb eht rotcudnoc and latem liof depparw dnuora 28 SWERCS AND SNOITCENNOC eht ,noitalusni a egatlov fo a( U + gnieb 750 ) V sihT esualc fo SI l-203 )9791( is .elbacilppa deilppa rof 1 .nim 29 EGAPEERC ,SECNATSID SECNARAELC AND NOTE - U si eht kaep eulav fo eht gnikrow .egatlov SECNATSID HGUORHT NOITALUSNI 24 STNENOPMOC sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as .swollof .swollof 29.1 noitiddA 24.1 noitiddA egapeerC secnatsid and secnaraelc neewteb evil parts skcolretnI era detarepo 200 .semit fo eht tuptuo tiucric and: 24.2 noitiddA - rehto evil parts fo eht tuptuo tiucric gnivah a tnereffid ,ytiralop droC sehctiws era dewolla rof tcesni srellik dednetni rof roodni esu .ylno - elbissecca latem parts ro latem liof deilppa ot elbissecca parts fo insulating ,slairetam 25 YLPPUS NOITCENNOC AND LANRETXE - eht tupni tiucric fo eht ,remrofsnart and ELBIXELF SELBAC AND CORDS - eht eroc fo eht .remrofsnart sihT esualc fo SI l-203 )9791( is elbacilppa tpecxe as .swollof shall ton eb less than eht seulav nwohs ni elbaT 1. roF a gnikrow egatlov up ot 1800 V, egapeerc ecnatsid 25.6 noitiddA and secnaraelc revo decrofnier noitalusni fo eht rewoP ylppus sdroc fo tcesni srellik elbatius rof tuptuo tiucric dluohs eb eciwt eht seulav deificeps ni roodtuo esu and tcesni srellik dettif htiw a lamp elbaT 1. gnittime teloiv-artlu noitaidar shall ylpmoc htiw roF stiucric gnitarepo at segatlov gnideecxe 4 000 V SI 9968 traP( )1 ro SI 694 as .elbacilppa ,kaep an cirtcele htgnerts tset is edam ot enimreted eht ycauqeda fo egapeerc ecnatsid and ,secnaraelc a elbaT 1 egapeerC secnatsiD and secnaraelC ( Clause )1.92 Voltage Clearance Creepage Distance ( Peak Value ) mm mm V revO 350 up ot dna gnidulcni 500 3 4 revO 500 up ot dna gnidulcni 630 3.5 4.5 revO 630 up ot dna gnidulcni 800 3.5 5 revO 800 up ot dna gnidulcni 1 000 4 6 revO 1 000 up ot dna gnidulcni 1 100 4.5 7 revO 1 100 up ot dna gnidulcni 1 250 4.5 8 revO 1 250 up ot dna gnidulcni 1 400 5.5 9 revO 1 400 up ot dna gnid&ni 1 600 I 10 revO 1 600 up ot dna gnidulcni 1 800 8 11 revO 1 800 up ot dna gnidulcni 2 000 9 11.5 revO 2 000 up ot dna gnidulcni 2 200 10 12 revO 2 200 up ot dna gnidulcni 2 500 11 13 revO 2 500 up ot dna gnidulcni 2 800 12 14 revO 2 800 up ot dna gnidulcni 3 200 13 14.5 revO 3 200 up ot dna gnidulcni 3 600 14 15.5 revO 3 600 up ot dna gnidulcni 4 000 14.5 16.5 esehT seulav seod ton ylppa ot secnatsid neewteb trap fo eht dirg gnivah tnereffid .ytiralop ehT segatlov era denimreted nehw eht tcesni rellik si detarepo at detar egatlov ro at eht reppu timil fo eht detar egatlov egnar dna retfa ydaets snoitidnoc evah neeb .dehsilbatse IS 302-2-59 ( 1999 ) egatlov fo if( U + 750 ) gniebV deilppa rof 1 .nim noit hcihw dluoc tcefta ecnailpmoc htiw this standard. ,revewoH egapeerc secnatsid and secnaraelc shall eb nI ,ralucitrap eht tcesni rellik shall ylpmoc htiw eht ton less than deificeps rof a gnikrow egatlov fo stnemeriuqer fo 8 and 27. ehT gnitaoc shall ton evah 4 OOOV. denesool morf eht latem ecafrus and shall ton evah neeb .detartenep oN nwodkaerb shall rucco gnirud eht .tset 32 ,NOITAIDAR TO2LICITY AND SIMILAR NOTE - U si eht kaep eulav fo eht gnikrow .egatlov HAZARDS 30 RESISTANCE TO HEAT, FIRE AND sihT esualc fo SI l-203 is .elbacilppa TRACKING 101 TESTS sihT esualc fo traP 1 is elbacilppa tpecxe as .swollof 101.1 Type Test 30.5 Addition ehT stset deificeps ni elbaT 10 1 shall etutitsnoc eht cillatem-noN lairetam gnisolcne ro gnitroppus eht -hgih epyt stset and shall eb deirrac tuo no eno elpmas fo egatlov dirg is ton detcejbus ot eht .tset tcesni rellik detceles ylbareferp at modnar morf a raluger NOTE - straP fo gnitalusni lairetam era deredisnoc ot noitcudorp .tol erofeB tnemecnemmoc fo eht ,stset eht eb detcejbus ot ereves-artxe ytud ,snoitidnoc sselnu hcus tcesni rellik shall eb yllausiv denimaxe and detcepsni strap era desolcne ro detacol os taht noitullop si ylekilnu rof suoivbo lausiv stcefed ni tcepser fo ,stnenopmoc ot .rucco nI siht ,esac eht stnemeriuqer rof ereves ytud parts and rieht ,ylbmessa ,noitcurtsnoc lacinahcem snoitidnoc ylppa rof tcesni srellik elbatius rof roodtuo ,sdrazah markings, noisivorp fo elbatius slanimret rof esu dna lamron ytud snoitidnoc rof tcesni srellik rof roodni ylppus ,snoitcennoc gnihtrae and eht ssenevitceffe esu .ylno fo swercs and .snoitcennoc ehT lanretxe ecafrus Additional Subclause hsinif shall eb neve and eerf morf gnihsinif cillatem-noN lairetam gnisolcne ro -troppus .stcefed 30.101 ehtgni hgih egatlov dirg shall eb tnatsiser ot .erif 101.1.1 Criteria ofAcceptance detnirP sdraob ni eht tuptuo tiucric gnivah a ecafrus ehT elpmas shall yllufsseccus pass all eht epyt stset aera gnideecxe 25 2mc shall eb tnatsiser ot ,erif rof gnivorp ytimrofnoc htiw stnemeriuqer fo eht unless yeht era deniatnoc ni a latem .erusolcne standard. fI eht elpmas sliaf ni yna fo eht epyt ,stset eht gnitset ytirohtua at its ,noitercsid yam llac rof hserf ecnailpmoC is dekcehc yb eht emalf-eldeen tset fo xennA .BB samples ton gnideecxe eciwt eht lanigiro rebmun and tcejbus meht again ot all stset ro ot eht )s(tset ni hcihw 31 RESISTANCE TO RUSTING )s(eruliaf had .derrucco oN eruliaf dluohs eb dettimrep ni eht taeper .)s(tset sihT esualc fo SI l-203 is elbacilppa tpecxe as .swollof 101.2 ecnatpeccA stseT Additional Subclause ehT gniwollof shall etutitsnoc eht ecnatpecca :stset suorreF parts fo serusolcne fo tcesni srellik 31.101 elbatius rof roodtuo esu shall eb yletauqeda detcetorp Test Clause against .gnitsur Reference ecnailpmoC is dekcehc yb eht salt mist tset deificeps ni SI 9000 ( traP )11 hcihw is deirrac tuo rof 168 h. )a noitcetorP against cirtcele 8 kcohs erofeB eht ,tset erusolcne dedivorp htiw a gnitaoc era b) tupnI and tnerruc 10 dehctarcs yb snaem fo a denedrah leets ,nip eht dne )c erutarepmeT esir 11 fo hcihw has eht mrof fo a enoc htiw an elgna fo .’04 Its pit is dednuor htiw a radius fo 52.0( f )20.0 .mm 4 lacirtcelE noitalusni and 13 ehT nip is dedaol os that eht ecrof detrexe gnola egakael tnerruc at gnitarepo its sixa is 01( f )5.0 N. ehT sehctarcs era edam yb erutarepmet gniward eht nip gnola eht ecafrus fo eht gnitaoc at a )e erutsioM ecnatsiser 15 deeps fo yletamixorppa 20 mm/s. eviF sehctarcs era 0 noitalusnI ecnatsiser and 16 edam at tsael 5 mm apart and at tsael 5 mm morf eht cirtcele htgnerts retfa( .segde ytidimuh )tnemtaert retfA eht ,tset eht erusolcne shall wohs on -aroireted noisivorP rof gnihtrae 72 5
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