Ungayikhetha njani ifowuni engangenisi kuqhuma ye-ATEX kwizityalo zeekhemikhali?

• Ukwahlulwahlulwa kwendawo, iqela legesi, kunye neklasi yobushushu kuqinisekisa ukuba ifowuni ye-ATEX iyamkeleka na.
• Kwizityalo zeekhemikhali, ukuqonda intetho kubaluleke ngaphezu komthamo weringi kuphela.
• Ukhuseleko lokungena, ukumelana nokugqwala, kunye nendlela yokuyifaka zichaphazela iindleko zobomi bonke kunye nesiqinisekiso.
• Kubathengi beprojekthi, amaxwebhu, izinto ezisetyenzisiweyo, kunye nokusebenza kakuhle kunciphisa umngcipheko ngaphezu kwexabiso eliphantsi elivela kwangaphambili.

Ifowuni engangeni kuqhuma ye-ATEXUkukhethwa kwesityalo seekhemikhali kufuneka kuqale ngokuthobela imithetho, emva koko kudlulele ekusebenzeni kwe-acoustic, ukuqina, kunye nenkxaso yomjikelo wobomi; loo myalelo ubalulekile kuba iifowuni zendawo enobungozi zizixhobo zokhuseleko, kungekhona ii-handset zabathengi. Phantsi kwesakhelo se-ATEX, izixhobo zihlala zivavanywa ngokubhekiselele ekusetyenzisweni kwendawo, iqela lezixhobo, kunye nengcamango yokukhusela, ngelixa ulawulo lombane luhlala luhambelana nemigangatho efana naleUmyalelo ka-2014/34/EUkunye neendlela zovavanyo okanye zokufakela ezichazwe ngamaxwebhu e-IEC kunye ne-ISO. Ngokwemigaqo yesityalo esisebenzayo, isixhobo sonxibelelwano kufuneka sihlale sisebenziseka kwingxolo, ukungcangcazela, ukufuma, kunye neemeko ezirhabaxa, kuba umnxeba othembekileyo ngexesha lesiganeko esiphazamisayo unokubaluleka ngaphezu kwephepha elichanekileyo leenkcukacha. Ukuze ufumane isishwankathelo esibanzi sesixhobo, jonga iiimveliso zonxibelelwano lwemizi-mveliso, iuluhlu lwefowuni olungenakuqhuma, kwaye iiifowuni ezimelana nemozuluisetyenziswa kwiindawo ezinzima.

Indlela yokukhetha ifowuni engaqhumiyo ye-ATEX kwisityalo seekhemikhali: qala ngendawo enobungozi

Uvavanyo oluchanekileyo lwendawo enobungozi sisihluzo sokuqala, kuba ifowuni inokufakelwa kuphela apho ingcamango yayo yokhuseleko ihambelana nohlelo lwesiza.

Izityalo zeekhemikhali zihlala zineendawo ezineegesi ezitshayo, umphunga, izinyibilikisi, okanye uthuli oluvuthayo, kwaye ifowuni kufuneka iqinisekiswe ukuba inobungozi obuthile. Kwinkqubo ye-ATEX, iindawo ezinobungozi zahlulwe zibe ziindawo ngokusekelwe kubukho kunye nobude bexesha lokuqhuma komoya. Oko kuthetha ukuba imodeli efanelekileyo kwiNdawo yesi-2 isenokungamkeleki kwiNdawo yoku-1, kwaye isixhobo esenzelwe iindawo zegesi asinakugubungela iingozi zothuli ngaphandle kokuba silinganiswe ngokucacileyo kuzo zombini.

Amaqela okuthenga kufuneka ahlale ejonga uphawu olupheleleyo, kungekhona ilebheli yokuthengisa elula. Uphawu kufuneka luchonge iqela lezixhobo, udidi, uhlobo lomoya, iqela legesi, kunye nodidi lobushushu. EYurophu, eli asilophepha lokuzikhethela; lingundoqo wokufaneleka kokufakwa.

Ingongoma eluncedo yokubhekisa yingqiqo yodidi lwe-ATEX kwiUmyalelo ka-2014/34/EU, exhasa ukukhethwa kwezixhobo zemozulu eziqhumayo kwi-EU. Kwiindawo ezisebenzisa iindawo zenkqubo ezivezwe luthuli,I-IECIindlela zokusebenza kwiindawo ezinobungozi zihlala zijongwa ngaxeshanye namaxwebhu e-ATEX ukuze amaqela obunjineli, olondolozo, kunye nokuthobela imithetho ahambelane.

Ifowuni engaqhumiyo ye-ATEX xa ithelekiswa nefowuni yendawo enobungozi: yintoni etshintsha ngokwenene

Eli gama alibalulekanga kangako kunoyilo lokhuseleko olungasemva kwalo, kuba abathengi badla ngokubhidanisa ifowuni yemizi-mveliso eqinileyo nefowuni enobungozi ngokwenene.

Ifowuni yendawo enobungozi ludidi olubanzi olugubungela nayiphi na ifowuni eyenzelwe iindawo ezinobungozi, ngelixa ifowuni engaqhumiyo kwi-ATEX ibonisa ngokukodwa ukuthobela isakhelo se-European explosive-atmosphere. Ngolwimi lokuthenga, olu mahluko lunokuthintela impazamo ebiza kakhulu: ifowuni yangaphandle engagqumiyo kwi-corrosion inokusinda ekuvezweni ziikhemikhali, kodwa isenokuba ayifanelekanga kwindawo ehleliweyo ukuba ayinaso isiqinisekiso esifanelekileyo.

Kwiindawo zeekhemikhali, ifowuni kufuneka ixhase iimeko zokusetyenziswa kokusebenza ngaphaya kweefowuni eziqhelekileyo. Abaqhubi banokufuna ukunxibelelana namagumbi olawulo, amaqela olondolozo, abaniki beemvume, iingcali zokwahlukanisa, okanye abasebenzi bokuphendula ngexesha likaxakeka. Ngoko ke esi sixhobo kufuneka sisebenze kwiimeko ezingabonakaliyo, ingxolo ephezulu, kunye nokusetyenziswa kweeglavu, kungekuphela nje kuvavanyo lwelabhoratri.

Kwiindawo ezixubileyo, kuyanceda ukuthelekisa isixhobo sendawo enobungozi noluhlu olubanzi lwezixhoboiifowuni zoshishinokwaye ziyakwazi ukumelana nokuxhatshazwaiifowuni ezingavumeli ukonakala, kuba izityalo zeekhemikhali zihlala zineendawo ezihluliweyo nezingahluzwanga kwindawo enye.

Zeziphi iinkcukacha zobugcisa ezibaluleke kakhulu kwifowuni yonxibelelwano yesityalo seekhemikhali

Ukusebenza kwesandi, ukuthembeka kwendawo evalekileyo, kunye nokufikelela kulondolozo kuqinisekisa ukuba ifowuni iluncedo na emva kokufakwa.

Kunxibelelwano lwezityalo zeekhemikhali, abathengi abaninzi bagxila kakhulu kwisiqinisekiso kwaye abajolisi kakhulu ekusebenziseni. Yimpazamo leyo, kuba isixhobo esidlula amaphepha kodwa singaviwa ngaphezu kwengxolo yenkqubo sibuthathaka ekusebenzeni. Kwiinkalo ezininzi zenkqubo, ukuqonda intetho yeyona ndlela yokulinganisa impumelelo yokwenyani, ingakumbi kufutshane neepompo, iicompressor, iiblower, kunye nemigca yokuzalisa. Uyilo lonxibelelwano lwemizi-mveliso ludla ngokulandela imigaqo yokucwangcisa i-acoustic endaweni ye-consumer handset logic, kunye ne-microphone pickup, i-speaker output, kunye nolawulo lwe-side-tone konke okuchaphazela umgangatho wefowuni.

Ukhuseleko lomphezulu nalo lubalulekile. Ifowuni efakwe kufutshane nee-asidi, izinyibilikisi, ii-caustics, umphunga, okanye umoya ogcwele ityuwa idinga indawo ebiyelweyo kunye nezinto zekhiphedi ezimelana nokubola. Ngokwesiqhelo, intsimbi engagqwaliyo engama-316, ii-thermoplastics ezenziwe ngobunjineli, okanye ii-keypad ezivaliweyo zihlala zikhethwa ngokuxhomekeke kwiprofayili yokuvezwa kunye nendlela yokucoca.

Kwigama lomgangatho wobushushu kunye nelesatifikethi, amaqela obunjineli ahlala eqinisekisa amaxwebhu asemgangathweni afana nalaIzixhobo zemigangatho ye-ISOkunye namaxwebhu afanelekileyo okuhambelana ne-ATEX anikezelweyo kunye nesixhobo. Ukufikelela kubushushu bomphezulu kunye nolawulo lokutsha kwiindawo ezinobungozi, imida echanekileyo evumelekileyo kufuneka ifundwe kwisatifikethi semveliso, ingathathwanga kwizinto ezihlala kuyo kuphela.

Indlela yokuvavanya ukusebenza konxibelelwano lwezityalo zeekhemikhali ngaphaya kwesiqinisekiso

Ifowuni ixabiseke kuphela xa ikwazi ukuthetha ngokucacileyo ngexesha elifunekayo kakhulu kumsebenzisi.

Kwisityalo seekhemikhali, unxibelelwano luyasilela ngenxa yezizathu ezibonakalayo ngaphambi kokuba lungaphumeleli ngenxa yezizathu zokuthobela imithetho. Ingxolo engasemva ifihla intetho, i-PPE inciphisa ukuvakala, ii-alamu zikhuphisana ngokufumana ingqalelo, kwaye iimeko ezingxamisekileyo zicinezela ixesha lokuphendula. Ngenxa yeso sizathu, ukuqondwa kwentetho kufuneka kuthathwe njengomgaqo ophambili wokuthenga. Ukuba abasebenzi bolondolozo abakwazi ukuva umnini-mvume okanye igumbi lolawulo alikwazi ukuqonda umyalelo wokuvala, inkqubo yonxibelelwano ayisebenzi kakuhle nokuba izixhobo ziqinisekisiwe.

Xa kuthelekiswa iimodeli, abathengi kufuneka babuze iinkcukacha malunga ne-acoustic output yefowuni, uvakalelo lwemakrofoni, uyilo oluchasene nengxolo, kunye nokuhambelana noyilo lwefowuni olubizwayo. Oku kubaluleke kakhulu apho umgca unokuqhagamshela kwi-PBX, i-VoIP gateway, i-intercom yongxamiseko, okanye inkqubo ye-industrial paging.

• Vavanya iyunithi kwindawo enengxolo yokwenyani, kungekhona eofisini ethuleyo.
• Qinisekisa ukuba iiglavu azithinteli ukusebenza kwekhibhodi.
• Jonga ukuba intambo yefowuni, i-hookswitch, kunye nemowudi yespeakerphone ziyasinda na xa zisetyenziswa ngokuphindaphindiweyo.
• Qinisekisa ukuba ukulungiswa kungathatha indawo yezinto ezigugileyo eziqhelekileyo ngaphandle kokususa udidi lwendawo.

Ukuze kujongwe umlinganiselo wobuchwephesha wokunxibelelana okunzima kwimeko-bume, amaqela amaninzi onxibelelwano lwemizi-mveliso akwahlola amaxwebhu okufakela kunye nokhuseleko lombane avela kwi-I-NISTukuze kulinganiswe ngokubanzi kunye neereferensi zokuthembeka, nokuba indlela yokugqibela yokuqinisekisa isekelwe kwi-ATEX. Oko kunceda amaqela okuthenga agcine isigama esifanayo malunga neendlela zovavanyo, ukunyamezelana, kunye nokulandeleka.

Kutheni ukhuseleko lokungena kunye nokumelana nokugqwala kubaluleke ngaphezu kwefoto yekhathalogu

Ukuthembeka kwexesha elide kwisityalo seekhemikhali kudla ngokugqitywa kukufuma, intsalela, kunye nokugqwala kunokuba kugqitywe kuvavanyo lokuqala lokubiza.

Abantu badla ngokucinga ukuba i-explosion proof ithetha ukuba ikhuselekile ngokupheleleyo kuyo yonke into, kodwa isiqinisekiso se-explosion atmospheres asifani nokukhuselwa ekuhlaselweni yikhemikhali. Ifowuni kwindawo yenkqubo inokujongana nokufuma, ukuhlanjwa ngamanzi amdaka, ukuvezwa yi-UV ngaphandle, kunye nongcoliseko lomoya. Ukuba izinto ezivalekileyo azilunganga, ziyaguga ngokukhawuleza kwaye amaqhosha awanakuthembeka. Oko kukhokelela kwixesha lokungasebenzi, ukutyelela okuninzi kokulungisa, kwaye kwimeko embi kakhulu indawo yokunxibelelana engabonakaliyo ngexesha lesiganeko.

Ukhuseleko lokungena kwamanzi lunceda ekuchazeni ukumelana nothuli namanzi, kodwa amaqela ezityalo kufuneka acinge nzulu ngomaleko omnye. Ukumelana nokugqwala, ukuzinza kwe-UV, kunye nokuqina kwe-gasket kuchaphazela iindleko zobomi. Yingakho iindawo ezineendlela zokucoca eziqatha zihlala zikhetha iipleyiti zentsimbi engagqwaliyo okanye izindlu zepolymer ezichazwe ngononophelo kuneeplastiki zeofisi eziqhelekileyo.

Iindawo ezithelekisa izixhobo ezinobungozi kunye neemodeli zangaphandle eziqinileyo nazo maziphinde zihloleiifowuni ezingxamisekileyokwayeizithethi zeempondo zemizi-mvelisoukuze kugqitywe kwelokuba ingaba icebo lonxibelelwano lifuna ukufowunelwa ngqo, isaziso sengxamiseko sokuchukumisa kube kanye, okanye isaziso sendawo yonke.

Uluhlu lokuhlola ukhetho lwefowuni ye-ATEX lonxibelelwano lwezityalo zeekhemikhali

Uluhlu lokuhlola olucwangcisiweyo lunciphisa iimpazamo zeenkcukacha kwaye lukhawulezisa ukuvunywa kobunjineli.

Inkqubo yokuthenga esebenzayo kakhulu ayikokuqala ngemveliso kodwa yimfuno kuqala. Qala ngokubhala phantsi indawo, uhlobo lomoya, indawo yokufakela, imeko yocingo, kunye nomnini wolondolozo. Emva koko thelekisa iimodeli ngokweekhrayitheriya ezinokulinganiswa. Oku kubaluleke kakhulu kwiiprojekthi apho i-EHS, ubunjineli, ukuthengwa, kunye nemisebenzi zonke zineelindelo ezahlukeneyo.

1. Qinisekisa indawo enobungozi kunye nodidi olufunekayo lwe-ATEX.
2. Qinisekisa iqela legesi kunye neklasi yobushushu ngokuthelekisa udidi lwendawo.
3. Khetha izinto ezivalekileyo ezisekelwe ekungcoleni, ekuhlanjweni, nasekuchayweni yi-UV.
4. Jonga isitayile sokufakela ukuze ubone ukuba alukho udonga, ikholamu, okanye iphaneli edibeneyo.
5. Qinisekisa indlela yokufowuna, efana ne-PBX, i-SIP, i-analog, okanye i-emergency relay logic.
6. Hlola izixhobo ezingasetyenziswanga, ixesha lokulungisa, kunye namaxwebhu enkonzo.

Kumaqela okuthenga, ifowuni engcono kakhulu idla ngokuba yeyona kulula ukuyibhala phantsi nokuyigcina ubomi bayo bonke. Yiyo loo nto iincwadi zokufaka, isibhengezo sokuthobela imithetho, kunye nokufumaneka kwezixhobo kunokuba yinto ebalulekileyo njengefowuni ngokwayo.

Yeyiphi imigangatho kunye neemfuno ezilinganisiweyo ekufuneka abathengi baziqinisekise

Imigangatho inciphisa ukungacaci, ingakumbi xa kukho abakhi abaninzi ababandakanyekayo.

Abathengi be-ATEX akufuneki bathembele kumagama angacacanga anjengelithi “afanelekileyo kwiindawo ezinobungozi” ngaphandle kokufunda ifayile yokumakisha isixhobo kunye nokuhambelana kwaso. Isiseko solawulo lwe-EU yeyona ndawo icacileyo yokuqala, kodwa iiprojekthi ezininzi zamazwe ngamazwe nazo zidibanisa ezo mfuno kunye nenkqubo yobunjineli esekwe kwi-IEC. Ukuqinisekisa, amanani abaluleke kakhulu ngalawo achaza indawo kunye nendlela isixhobo esingasetyenziswa ngayo.

Imizekelo yexabiso lekhonkrithi ibandakanya udidi lweZone 1 kunye neZone 2, umda wobushushu bomphezulu we-T6 obuyi-85 C, kunye neethagethi zokukhusela ukungena kwe-IP66 okanye i-IP67. Ezo xabiso zibalulekile kuba ziguqulela ngokuthe ngqo kwizigqibo zokubeka, imida yokugcinwa, kunye nomngcipheko wokungaphumeleli.

Xa isityalo sifuna isigqibo esisekelwe kubungqina, sinokuthelekisa ifowuni ekhethiweyo namaxwebhu afanelekileyo emigangatho kunye nedosi yokwahlulahlula yesityalo. Kulapho ke ukuthobela imithetho kuba sisigqibo sokusebenza endaweni yokuqhuba amaphepha.

Ukuze ufumane iireferensi zemetrology kunye nokuthembeka, amaqela obunjineli ngamanye amaxesha ayabuzaI-NIST, ngelixa iinkcukacha zesatifikethi kunye nokuthotyelwa komgaqo-nkqubo zijongwa ngokubhekiselele kuxwebhu lwesixhobo kunye nombhalo ofanelekileyo wemiyalelo ye-EU aphaI-EUR-LexUkuba isityalo sisebenzisa imisebenzi yonxibelelwano olungxamisekileyo okanye yokulumkisa uluntu, isikhokelo esibanzi senkqubo sinokuthelekiswaI-ISOkunye nezixhobo ze-IEC.

Indlela izityalo zeekhemikhali ezifanele zithelekise ngayo iimfuno zokufakela nokugcina

Ukufakela nokulungisa kudla ngokugqiba ixabiso lokwenyani lobunini ngaphezu kwexabiso lokuthenga.

Ucingo olunobungozi olunzima ukulufaka, olunzima ukuluhlola, okanye olunzima ukululungisa luya kubiza imali eninzi ngokuhamba kwexesha. Izityalo zeekhemikhali zifuna izixhobo ezinokuhlolwa ngamaqela okulungisa ngokukhawuleza, ezinokufakelwa ngombane ngaphandle kokungacaci, kwaye ezinye izinto ezingasetyenziswayo zinokufunyanwa ngendlela eqikelelweyo. Oku kuyinyani ngakumbi kwiindawo ezineekontraka ezijikelezayo, ii-shift ezininzi, okanye imithetho engqongqo yemvume yokusebenza.

Ngexesha lokukhetha, buza ukuba ingaba i-handset ingalungiselelwa na, ukuba izixhobo zokutywina ziyafumaneka ngokwahlukeneyo, nokuba ngaba umenzi ubonelela ngemizobo yokufaka enobukhulu obucacileyo kunye nesikhokelo socingo. Inkqubo esebenzayo kufuneka ixhase ukugcinwa kokuthintela kunye nokulungiswa ngokukhawuleza emva kwempazamo.

• Khetha iimodeli ezineelebheli ezicacileyo zesiphelo kunye neendlela zokufaka intambo eziqhelekileyo.
• Jonga ukuba isixhobo siyayixhasa na iziseko zoqhagamshelwano zefowuni ezikhoyo kwisityalo.
• Qinisekisa ukuba ukutshintshwa kwe-gasket kunye ne-keypad kubhaliwe.
• Qinisekisa ixesha lokunikezelwa kwezixhobo ezingasetyenziswanga ngaphambi kokuba uthenge okokugqibela.

Ukuba indawo yakho ifuna ukulungelelanisa unxibelelwano kuzo zonke iindawo, jonga indlela isixhobo sendawo enobungozi esihambelana ngayo noluntu olubanzi.iinkqubo zedilesi kawonkewonkekunye noyilo lwe-alamu. Oko kunceda ukuphepha umxube oqhekekileyo wezixhobo ezisebenza kube kanye ekunzima ukuzilungisa.

Iimpazamo eziqhelekileyo xa uthenga ifowuni engangenisi kuqhuma ye-ATEX

Iimpazamo ezininzi zokuthenga zivela ekubhidaniseni ukuqina nokuthobela imithetho okanye ekujongeleni phantsi imeko yokusebenza.

Impazamo yokuqala kukuthenga igumbi endaweni yengozi. Isityalo seekhemikhali sineendawo ezihluliweyo nezingahluzwanga, kwaye isixhobo kufuneka sihambelane nohlu lwendawo, kungekhona ilebhile yesakhiwo. Impazamo yesibini kukuphatha zonke iifowuni zangaphandle njengezikhuselekileyo kwiindawo ezinobungozi. Eyesithathu kukukhetha imodeli ebonakala iqinile kodwa ingenazo iindawo zenkonzo, amaxwebhu, okanye izixhobo ezifanelekileyo zokuyifaka.

Impazamo yesine kukungahoyi indlela abasebenzisi abaziphatha ngayo. Ukuba abaqhubi banxiba iiglavu, baphatha izixhobo, okanye basebenza phantsi koxinzelelo lwexesha, isixhobo esinolawulo olungaqhelekanga siya kuphetshwa. Impazamo yesihlanu kukuvavanya isixhobo esise-ofisini kuphela. Uvavanyo lwasentsimini lubalulekile kuba ingxolo, ii-alamu, kunye nemida yokusebenza itshintsha amava ngokupheleleyo.

1. Musa ukucinga ukuba igama elithi "industrial" lithetha ukuthobela imithetho ye-ATEX.
2. Musa ukungawunaki udidi lobushushu xa indawo ebiyelweyo ikufutshane nemithombo yobushushu.
3. Musa ukukhetha ikhiphedi okanye i-handset ekunzima ukuyicoca.
4. Musa ukulibazisa ucwangciso lwezixhobo ezingasetyenziswanga.

Iimeko ezifanelekileyo kakhulu zokunxibelelana ngezityalo zeekhemikhali

Ifowuni efanelekileyo ixhomekeke kumsebenzi ekufuneka iwenze, kungekuphela nje kwindawo efakwe kuyo.

Kumagumbi olawulo, into ephambili isenokuba kukusebenzisana nenethiwekhi yefowuni yezityalo. Kwiifama zeetanki, into ephambili isenokuba kukugqwala kunye nokumelana nemozulu. Kwiindawo zokulayisha, isixhobo sinokufuna ukuqaliswa komnxeba ngokukhawuleza kunye nokuvakala okuphezulu. Kwiindawo zokuphuma ezingxamisekileyo, ukulula kunye nokubonakala kubaluleke kakhulu. Le yantlukwano yiyo loo nto imodeli enye ingafane ifanele yonke indawo kwi-chemical complex.

Kubathengi abaninzi, eyona ndlela isebenzayo kukwenza izinto zibe semgangathweni ngokwemeko: imodeli enye yendawo enobungozi kwiindawo ezicwangcisiweyo, imodeli enye ekhuselayo kwimozulu kwiindawo ezivezwe kodwa ezingacwangciswanga, kunye neyunithi enye yongxamiseko kwiindawo zokusabela kwiziganeko. Oko kugcina uqeqesho lulula kwaye iindawo ezingasetyenziswayo zilawuleka lula.

Imibuzo ebuzwa rhoqo malunga nokukhetha ifowuni engangeni kuqhuma ye-ATEX

1. Yintoni into yokuqala ekufuneka uyijonge ngaphambi kokuba uthenge ifowuni engakwaziyo ukuqhuma ye-ATEX?

Into yokuqala ekufuneka uyijonge kukwahlulwahlulwa kwendawo enobungozi, kuba ifowuni kufuneka ihambelane nomngcipheko wokwenyani womoya oqhumayo wesiza.

2. Ngaba ifowuni yemizi-mveliso eqinileyo ikhuselekile ngokuzenzekelayo kwisityalo seekhemikhali?

Hayi, kuba ubulukhuni abulingani nokuhambelana ne-ATEX, kwaye indawo ebiyelweyo ehlala ixesha elide isenokungathinteli ukutsha kwindawo ekhethiweyo.

3. Ngowuphi umlinganiselo we-IP odla ngokulindelwa kwizixhobo zonxibelelwano lwezityalo zeekhemikhali?

I-IP66 okanye i-IP67 idla ngokuthandwa apho uthuli, isitshizi, okanye ukuhlamba ziyinxalenye yendawo yokusebenza.

4. Kutheni iklasi yobushushu ibaluleke kangaka?

Kuba umphezulu wesixhobo kufuneka uhlale ungaphantsi komda wokutsha kwegesi okanye umoya ojikelezileyo wothuli, kwaye i-T6 inciphisa ubushushu bomphezulu ukuya kwi-85 C.

5. Ngaba kufuneka ndikhethe ifowuni enomsindo kakhulu ekhoyo?

Akunjalo rhoqo, kuba ukuqondwa kwentetho kwindawo yengxolo yokwenyani kubaluleke ngaphezu komthamo weringi eluhlaza.

6. Ngawaphi amaxwebhu ekufuneka ndiwacele kumthengisi?

Cela isibhengezo sokuvumelana, iinkcukacha zesatifikethi, imiyalelo yokufakela, ukuhambelana kwendawo, kunye nolwazi lwezixhobo ezingasetyenziswanga.

7. Ngaba isixhobo esinye sonxibelelwano singagubungela zonke iindawo zezityalo zeekhemikhali?

Akunjalo rhoqo, kuba iindawo ezihleliweyo, iindawo zoncedo zangaphandle, kunye neendawo zongxamiseko zihlala zifuna ukhuseleko olwahlukileyo kunye nezinto eziza kuqala ukusetyenziswa.