Na u kile ua ipotsa hore na ke hobane'ng tšepe ea masenke e tumme haholo kahong le indastering? E bonolo: ho koaheloa ha zinki ho fana ka khanyetso ea kutu e ke keng ea lekanngoa, ho e etsa khetho e holimo bakeng sa ho tšoarella. Leha ho le joalo, ho cheselletsa tšepe ea masenke ho hlahisa mathata a ikhethang ka lebaka la lera lena le sireletsang. Ka poso ena, u tla ithuta hore na tšepe e entsoeng ka masenke ke eng, hore na ke hobane'ng ha ho chesehela ho le bohlokoa, 'me u fumane kakaretso ea ts'ebetso ea ho cheselletsa ho netefatsa hore li-welds tse matla, tse hloekileng.
Ho Utloisisa Galvanized Steel
Tlhaloso le Sebopeho
Tšepe ea Galvanized ke tšepe e tloaelehileng e koahetsoeng ka lesela le lesesaane la zinki. Lera lena la zinki le sireletsa tšepe khahlanong le mafome le ho bola ka ho sebetsa e le mokoallo le ho itela pele tšepe e senyeha. Ho roala zinki hangata ho sebelisoa ka ho cheka ho chesang kapa electroplating. Ho kenya tšepe ka har'a zinki e qhibilihisitsoeng ho kenyelletsa ho kenya tšepe e chesang, ho etsa seaparo se teteaneng, se tšoarellang. Electroplating d
e beha lesela le lesesaane la zinki ka ho sebelisa motlakase.
Tšepe ka tlase hangata ke tšepe ea carbon, e tsejoang ka matla le ho tenyetseha ha eona. Zinki e koahelang li tlamahane ka tšepe ho tšepe, e etsa sebaka se tiileng, se sa bolaeeng ke kutu. Motsoako ona o etsa hore tšepe e entsoeng ka masenke e be khetho e ntle bakeng sa tikoloho e pepesehileng mongobo kapa boemo ba leholimo bo thata.
Tšebeliso e Tloaelehileng le Lisebelisoa
Tšepe ea Galvanized e sebelisoa haholo liindastering tse ngata ka lebaka la ho tšoarella ha eona le ho hanyetsa kutu. Lisebelisoa tse tloaelehileng li kenyelletsa:
Kaho : Maballo a kaho, foreimi ea tšepe, lishiti tsa marulelo le terata.
Likoloi : 'mele oa likoloi, likarolo tsa chassis le litsamaiso tsa mosi.
Motlakase : Literei tsa lithapo le liphaello.
Temo : Litšiea tsa lijo-thollo, terata, le lisebelisoa tsa ho nosetsa.
Infrastructure : Marokho, lipalo tsa mabone a literata, le litšepe.
Bokhoni ba eona ba ho mamella maemo a kantle bo etsa hore e be thatohatsi bakeng sa merero ea indasteri le ea bolulo. Ho phaella moo, tšepe e entsoeng ka masenke e atisa ho sebelisoa moo tšireletso e tšoarellang nako e telele e leng ea bohlokoa empa tlhokomelo e hloka ho fokotseha.
Melemo ea Galvanized Steel
Litšepe tsa Galvanized li fana ka melemo e mengata, ho kenyelletsa:
Corrosion Resistance: Ho roala zinki ho thibela mafome, ho lelefatsa bophelo ba tšepe.
Theko-Katleho: Tlhokomelo e tlase le nako e telele ea bophelo e fokotsa litšenyehelo ka kakaretso.
Durability: E hanana le mengoapo le tšenyo ea 'mele.
Ho hlahloba habonolo: Ponahalo ea seaparo sa seaparo se thusa ho lemoha tšenyo habonolo.
Mefuta-futa: E loketse bakeng sa ho cheselletsa, ho etsoa le ho etsoa.
Melemo ea Tikoloho: Zinc e sebelisoa hape 'me ho galvanizing ho fokotsa tlhoko ea lipente tse sireletsang.
Melemo ena e etsa hore tšepe e entsoeng ka masenke e be khetho e sebetsang bakeng sa merero e hlokang matla le bophelo bo bolelele libakeng tse thata.
Mathata ho Welding Galvanized Steel
Mathata a Corrosion le Coating
Tšepe ea galvanized ea welding e hlahisa mathata a ikhethang haholo-holo ka lebaka la ho roala ha zinki. Lesela lena le sireletsa tšepe ho mafome empa le tlameha ho ntšoa haufi le moo ho chesellang teng. Ha zinki e chesoa nakong ea ho cheselletsa, e pepesa tšepe e se nang letho, e bang kotsing ea ho bola. Ho boloka ho hanyetsa ha kutu, sebaka se cheselitsoeng hangata se hloka ho tsosolosoa ka mor'a ho cheselletsa.
Ho roala zinki ho boetse ho thatafatsa welding ka ho kena-kenana le ho kenella ha weld. Zinc e fetoha mouoane ka mocheso o tlase ho feta tšepe, e etsa mosi oa zinc oxide le ho baka porosity kapa ho kenyeletsoa ho cheselleng. Litšitiso tsena li fokolisa lenonyeletso le ho fokotsa botšepehi ba sebopeho. Li-welders tse hloahloa li tlameha ho lokisa bokaholimo ka hloko ka ho sila zinki sebakeng sa weld ho ntlafatsa ho kenella le boleng ba weld.
Likotsi tsa Bophelo bo Botle le Matšoenyeho a Tšireletseho
Litšepe tse cheselitsoeng ka masenke li ntša mosi oa zinc oxide, o behang likotsi tsa bophelo bo botle. Ho hema mosi ona ho ka lebisa ho metal fume fever, boloetse bo kang ba ntaramane bo nang le matšoao a kang hlooho, ho nyekeloa ke pelo, feberu le mohatsela. Matšoao ana hangata a kokobela nakong ea lihora tse 48 empa a ka ba matla haholo haeba ho pepeseha ho le holimo kapa nako e telele.
Ho phaella moo, liphahlo tse entsoeng ka masenke li ka 'na tsa e-ba le likaroloana tsa loto, tse fetohang mouoane nakong ea ho cheselletsa. Mosi oa loto o chefo 'me o ka baka mathata a tebileng a bophelo bo botle ba nako e telele, ho akarelletsa le kankere ea matšoafo le boko le tšenyo ea tsamaiso ea methapo. Mehato e nepahetseng ea tšireletso e kang ho roala litšepe tse phefumolohang, ho sebelisa tsamaiso ea moea, le ho tjheseletsa libakeng tse bulehileng kapa tse nang le moea o motle, li bohlokoa ho sireletsa litšepe.
Mathata a Lintho le Sebopeho
Ho roala zinki ho ama likarolo tsa welding le moralo o kopaneng. Botebo ba ho kenella ha weld boa fokotseha, ho hloka likheo tse kholoanyane tsa metso le mekhoa e fetotsoeng ea ho cheselletsa. Ka mohlala, li-welders li ka 'na tsa hloka ho fokotsa lebelo la maeto le ho fetola li-angles tsa electrode ho etsa bonnete ba hore li kopane ka ho feletseng.
Sebopeho sa spatter se ea eketseha ha ho chesetsoa tšepe ea masenke, haholo-holo ka likarolo tse teteaneng tsa zinki tse kang hot-dip galvanizing. Spatter e ka khomarela holimo, ea etsa qetello e sa khahliseng 'me e hloka ho hloekisa ho eketsehileng. Ho sebelisa li-anti-spatter metsoako pele ho tjheseletsa ho thusa ho fokotsa taba ena.
Ho feta moo, ho cheseletsa tšepe e entsoeng ka masenke tšimong kapa meahong e meholo ho ka ba thata hobane ho tlosa lesela libakeng tse ngata tsa weld ho ja nako. Ka linako tse ling, tjheseletsa e tlameha ho tsoela pele ntle le ho tlosoa ha zinki, ho sebelisa mekhoa e khethehileng ea ho fokotsa likoli le likotsi tsa bophelo bo botle.
Keletso: Ka linako tsohle sila lesela la zinki bonyane 1 ho isa ho 4 inches ho potoloha sebaka sa weld ho ntlafatsa ho kenella le ho fokotsa mosi o kotsi oa zinki nakong ea ho cheselletsa.
Ho lokisetsa Welding
Thepa ea Tšireletso le Gear
Tšepe ea galvanized ea welding e hloka lisebelisoa tse nepahetseng tsa tšireletso ho itšireletsa khahlanong le mosi o kotsi. Kamehla u roale helmete e nang le moriti o nepahetseng ho sireletsa mahlo a hao khanyeng e matla le litlhase. Sebelisa liatlana tse thibelang malakabe le baki ea matsoho a malelele ho sireletsa letlalo ho cheleng le mahlaseling a kotsi. Li-respirators kapa limaske tse etselitsoeng ho sefa mosi oa tšepe li bohlokoa hobane zinki e ea mouoane nakong ea ho cheselletsa, 'me e baka mosi o kotsi oa zinc oxide. Libakeng tse koaletsoeng kapa tse nang le moea o fokolang, sebelisa li-respirators (PAPR) kapa li-respirator tse fetisoang bakeng sa tšireletso e eketsehileng. U se ke ua lebala lieta tse tiileng tse koahelang maqaqailana ho thibela likotsi tsa tšepe e chesang kapa litlhase.
Ho Hlophisoa ha Sebaka sa Mosebetsi le ho Fetola moea
Beha sebaka sa hau sa mosebetsi sebakeng se nang le moea o motle ho fokotsa ho hema mosi. Litšepe tse ka ntle kapa likamore tse nang le mamati a bulehileng le lifensetere li sebetsa hantle. Haeba u le ka tlung, sebelisa li-fan kapa li-extractor tsa mosi ho tšoara le ho tlosa mosi mohloling. Ipehe e le hore moea kapa phallo ea moea e fokele mosi hole le sebaka seo u hemang ho sona. Qoba ho cheselletsa litšepe libakeng tse moqotetsane, tse koetsoeng tse se nang moea o lekaneng. Beha litima-mollo haufi 'me u tlose sebaka sa thepa e tukang ho thibela likotsi tsa mollo. Mabone a matle a thusa ho netefatsa li-welds tse nepahetseng le maemo a sireletsehileng a ts'ebetso.
Ho tlosa Coating ea Zinc libakeng tsa Weld
Pele o tjheseletsa, tlosa lesela la zinki ho potoloha sebaka sa weld. Zinc e ea qhibiliha 'me ea fetoha mouoane ka mocheso o tlase ho feta tšepe, e bakang mefokolo le mosi o chefo. Sebelisa grinder ea angle e nang le flap disc kapa brush ea terata ho sila lesela la zinki bonyane lisenthimithara tse 2.5 ho isa ho tse 10 ka mahlakoreng a mabeli a mohala oa weld. Mohato ona o ntlafatsa ho kenella ha weld le ho fokotsa porosity. Maemong a mang, ho chesa kapa ho sutumelletsa mokokotlo oa zinki ho ka sebetsa, empa ho sila ho khethoa bakeng sa taolo e ntle le libaka tse hloekileng. Ka mor'a ho sila, hloekisa sebaka ho tlosa lerōle le litšila. Ho tlosoa ha zinki ka mokhoa o nepahetseng ho thusa ho theha li-welds tse matla, tse hloekileng le ho fokotsa likotsi tsa bophelo bo botle.
Mekhoa ea ho Welding bakeng sa Tšepe e Felletseng
Ho tjheseletsa tšepe e entsoeng ka masenke ho hloka mekhoa e khethehileng ea ho sebetsana le ho roala zinki le ho netefatsa litšepe tse matla, tse hloekileng. Mona ke mekhoa e sebelisoang haholo ea li-welding le malebela bakeng sa e 'ngoe le e' ngoe:
Gas Metal Arc Welding (GMAW)
E boetse e bitsoa welding ea MIG, GMAW e sebetsa hantle holim'a tšepe e tšesaane e entsoeng ka masenke (ka tlas'a 1/2 inch). Lebelo la welding le hloka ho lieha ho tlohella zinc hore e chese ka pele ho letamo la weld. Ho eketsa li-electrode hona joale ho thusa ho chesa likarolo tse teteaneng tsa zinki.
Zinc e fokotsa ho kenella ha weld, kahoo bakeng sa litšepe tsa butt, sebelisa likheo tse kholoanyane tsa metso le motsamao oa toche o lehlakoreng le le leng bakeng sa ho kopana ho tsitsitseng. Spatter e eketseha ka botenya ba zinki, haholo-holo holim'a litšepe tse nang le sekontiri se chesang. Ho sebelisa motsoako oa silicon-kapa graphite-based anti-spatter pele ho tjheseletsa ho thusa ho senya habonolo.
Ho sebelisa argon-CO₂ ho sireletsa motsoako oa khase le ho lokisa mocheso le lebelo ho hlahisa weld e boreleli e nang le tahlehelo e fokolang ea zinki le spatter.
Shielded Metal Arc Welding (SMAW)
SMAW, kapa welding stick, sutu e tenya masenke a tšepe (ho feta 1/2 inch). Joalo ka GMAW, zinki e fokotsa ho kenella, kahoo eketsa menyetla ea metso. Theola angle ea electrode ho tloha ho 70 ° e tloaelehileng ho isa ho 30 °, 'me u tsamaee butle. Sebelisa ho shapa hanyenyane ho ea pele le morao ho chesa zinki pele lifaha tsa weld li hlaha.
Spatter ea phahama empa hangata ha ea lekana ho hloka li-anti-spatter sprays. Qoba ho loha kapa ho feta ka makhetlo a mangata. Boloka mocheso o le tlase ho sireletsa masela a haufi empa o lekaneng ho chesa zinki. Bolelele bo bokhutšoane ba arc bo ntlafatsa taolo le ho thibela mefokolo.
Oxyacetylene Welding
Motsoako ona oa tjheseletsa o sebelisa lelakabe ho kopanya tšepe. E hloka ho tsamaea butle ka lebelo, kahoo mocheso o ama sebaka se seholoanyane, o chesa zinki holim'a metsi a mangata. Tsamaisa molamu oa ho tlatsa pele le pele ho theha li-welds tse ripple. Qoba ho tsosolosa li-welds ka lelakabe ka mor'a moo, kaha li senya lesela la zinki.
Stud le Rebar Welding
Bakeng sa ho cheselletsa litšepe tse entsoeng ka masenke, tlosa zinki ho tloha qetellong le holimo ho qoba ho lelekoa ka mabifi ho bakoang ke mouoane oa zinki. Bakeng sa rebar, welding e ka etsahala ntle le ho tlosoa ha zinki, empa ho molemo ho tlosa zinki ka har'a lisenthimithara tse 2 tsa motsoako. Sebelisa SMAW kapa GMAW 'me u lokise lipheletso tsa bar ka ho sila kapa ho seha ho netefatsa hore libaka tse kopaneng li hloekile.
Khohlano le Resistance Welding
friction welding e sokola ka li-studs tse sephara holim'a tšepe e entsoeng ka masenke hobane likarolo tsa zinki li sebetsa joalo ka libaka tse sa khohlang, li fokotsa mocheso. Ho sebelisa lithupa tse nchocho tse nang le ntlha ea 120° ho ntlafatsa litšepe. Ho ba teng ha zinc ho eketsa nako ea ho cheselletsa.
Resistance welding lisutu tsa tšepe e entsoeng ka masenke ka tlas'a 1/4 inch e teteaneng ka masela a bobebe a zinki. Liaparo tse teteaneng li khutsufatsa bophelo ba li-electrode 'me li hloka tlhokomelo khafetsa. Resistance welding hangata e ka tsoela pele ntle le ho tlosoa ha zinki mme e baka tšenyo e nyane ea ho roala.
Litlhaloso tsa Post-Welding
Ho hlahloba boleng ba Weld
Ka mor'a ho cheselletsa tšepe e entsoeng ka masenke, ho bohlokoa ho hlahloba boleng ba weld. Sheba liphoso tse tloaelehileng tse kang porosity, cracks, kapa fusion e sa fellang. Ho roala zinki ho ka baka porosity ka lebaka la mouoane oa zinki o etsang lipokotho tsa khase ka har'a weld. Sebelisa tlhahlobo ea pono, 'me, ha ho hlokahala, mekhoa ea tlhahlobo e sa senyeheng joalo ka liteko tsa ultrasonic kapa dae e kenang ho netefatsa hore weld e nepahetse.
Lekola sefaha sa weld bakeng sa ho ts'oana le ho kenella ka mokhoa o tsitsitseng. Li-welds tse nepahetseng li lokela ho ba tse boreleli 'me li se ke tsa senya ka mokhoa o feteletseng kapa li-undercuts. Hobane tšepe e entsoeng ka masenke hangata e hloka likheo tse kholoanyane tsa metso, etsa bonnete ba hore weld e kene ka botlalo lenonyeletsong. Matheba afe kapa afe a fokolang a ka senya botšepehi ba sebopeho le ho hanyetsa ho bola.
Ho tsosolosa Sebaka se Welded
Kaha welding e tlosa kapa e senya lesela la zinki, ho tsosolosa sebaka se cheselitsoeng ho bohlokoa ho tsosolosa tšireletso ea kutu. Ho na le mekhoa e mengata:
Cold Galvanizing Pente: Pente e nang le zinki e ngata e kentsoeng sebakeng sa weld. E bonolo ebile e potlakile, empa e fana ka tšireletso e tšoarellang ho feta ea hot-dip galvanizing.
Hot-Dip Galvanizing: Ho kenya kopano eohle ka zinki e qhibilihisitsoeng. Sena se fana ka mokhabiso o tšoarellang ka ho fetesisa empa o kanna oa se sebetse bakeng sa meaho e meholo kapa e kopaneng.
Ho fafatsa ka Zinc (Thermal Spraying): Ho fafatsa zinki e qhibidihileng sebakeng sa weld. E fana ka seaparo se teteaneng ho feta pente 'me se loketse ho lokisoa ha masimo.
Khetha mokhoa o ipapisitseng le boholo ba projeke, tikoloho le litšenyehelo. Netefatsa hore bokaholimo bo hloekile 'me ha bo na litšila pele u sebelisa phekolo efe kapa efe ea galvanizing. Mohato ona o thusa ho boloka nako ea bophelo le ho hanyetsa ho bola ha tšepe.
Tlhokomelo le Tlhokomelo ea Bophelo bo Bolelele
Ho boloka tšepe e cheselitsoeng ka masenke ho netefatsa ts'ebetso ea nako e telele. Latela malebela ana:
Litlhahlobo Tsa Kamehla: Sheba hore na ha ho na mafome, ho senyehile ha lirase kapa mapetsong a cheseletso. Ho lemoha kapele ho thibela litokiso tse bitsang chelete e ngata.
Qoba ho Hloekisa ka Abrasive: Ho hloekisa ka thata ho ka tlosa patina e sireletsang ea zinc. Sebelisa li-detergent tse bonolo le borashe bo bonolo.
Sireletsa Libakeng tse Senyang: Libakeng tse senyang haholo joalo ka libaka tse lebopong la leoatle, hlatsoa tšepe ka metsi a hloekileng nako le nako ho tlosa li-deposit tsa letsoai.
Thibela ho Kopana le Litšepe Tse sa Tšoaneng: Qoba ho kopana ka ho toba le tšepe e kang koporo kapa koporo, e ka bakang kutu ea galvanic.
Boloka Hantle: Boloka litšepe tsa masenke libakeng tse omeletseng, tse nang le moea o motle ho thibela ho bokellana ha mongobo.
Tlhokomelo e nepahetseng e lelefatsa bophelo ba tšepe ea masenke 'me e boloka botšepehi ba weld.
Mehato ea Tšireletseho le Mekhoa e Molemo ka ho Fetisisa
Ho utloisisa Metal Fume Fever
Ha ho chesetsoa tšepe e entsoeng ka masenke, zinki e roala mouoane ebe e etsa mosi oa zinc oxide. Ho hema mosi ona ho ka baka metal fume fever, boloetse bo kang ba ntaramane. Matšoao a kenyelletsa hlooho, ho nyekeloa ke pelo, feberu, mohatsela le mokhathala. Hangata, matšoao a hlaha lihora tse 'maloa ka mor'a ho pepeseha' me a nka lihora tse 48. Le hoja metal fume fever e le ea nakoana, ho pepeseha khafetsa kapa ho phahameng ho ka lebisa mathateng a tebileng a bophelo bo botle. Ho bohlokoa ho fokotsa ho hema mosi ka ho sebelisa mehato e nepahetseng ea tšireletso.
Melao e nepahetseng ea Koetliso le Tšireletso
Koetliso e nepahetseng e bohlokoa bakeng sa mang kapa mang ea tjheseletsang tšepe ea masenke. Basebelisi ba lokela ho utloisisa likotsi le mokhoa oa ho itšireletsa. Koetliso e akaretsa mekhoa e nepahetseng ea ho cheselletsa, ho tšoara thepa ka mokhoa o sireletsehileng, le mekhoa ea tšohanyetso. E boetse e kenyelletsa mokhoa oa ho sebelisa thepa ea ho itšireletsa (PPE) ka nepo. Li-welders li tlameha ho boloka lifahleho le 'mele ea tsona li le hole le mosi le litlhase. Ba lokela ho ipeha boemong e le hore moea o phalle hole le sebaka seo ba hemang ho sona. Baokameli ba tlameha ho phethahatsa melao ea polokeho le ho netefatsa hore basebetsi bohle ba latela melaoana.
Li-welders li tlameha ho roala li-respirators tsa boleng bo holimo tse etselitsoeng ho sefa mosi oa tšepe. Li-mask tse tloaelehileng tsa lerole ha li fane ka tšireletso e lekaneng. Lisebelisoa tsa ho hema li lokela ho lekana hantle 'me li hlokomeloe kamehla. PPE e 'ngoe e kenyelletsa lihelmete tse chesehang tse nang le lilense tsa moriti tse loketseng, liatlana tse hananang le malakabe, lijase le libutsi. Ho sireletsa letlalo mahlaseling a UV le litlhase ho thibela ho chesa le likotsi.
Ho etsa bonnete ba hore ho na le moea o lekaneng
Ho bohlokoa hore moea o kenelle ha ho chesetsoa tšepe ea masenke. Mosi oa welding o bokellana ka potlako libakeng tse koaletsoeng 'me o baka likotsi tse tebileng tsa bophelo bo botle. Sebetsa libakeng tse bulehileng ha ho khoneha. Haeba u le ka tlung, sebelisa li-fan kapa lisebelisoa tsa ho ntša mosi ho tlosa mosi mohloling. Mosi oa sebaka sa heno o tšoara mosi pele o nama. Beha li-fan e le hore moea o suthise mosi hole le sebaka seo motho a hemang ho sona.
Bakeng sa libaka tse koaletsoeng, sebelisa li-respirator tse fepelang moea kapa li-air-purifying respirators (PAPR) ho netefatsa hore moea o hema o hloekile. Qoba ho tjheseletsa tjheseletsa dibakeng tse se nang moya o monate kapa tse patisaneng. Kamehla hlahloba lisebelisoa tsa moea ho netefatsa hore li sebetsa hantle. Moea o motle o boetse o fokotsa likotsi tsa mollo ka ho hasanya likhase tse tukang.
Qetello
Tšepe ea galvanized ea ho tjheseletsa e kenyelletsa ho tšoara liaparo tsa zinki, tse hlokang mekhoa e khethehileng ea ho netefatsa boleng le polokeho. Tokisetso e nepahetseng, ho kenyelletsa le ho tlosa zinki ho potoloha libaka tsa weld, ke habohlokoa. Mehato ea tšireletseho, joalo ka ho sebelisa lisebelisoa tsa ho hema le ho netefatsa moea, e sireletsa khahlanong le mosi o kotsi. Li-welders tse nang le litsebo li tlameha ho fetola maemo ho lefella litlamorao tsa zinki. Ho tsosolosa libaka tse cheselitsoeng ka galvanizing ho tsosolosa khanyetso ea kutu. Sino Steel e fana ka tšepe ea boleng bo holimo, e totobatsang ho tšoarella le ho boloka litšenyehelo, e etsa hore e be e loketseng bakeng sa lits'ebetso tse fapaneng. Lihlahisoa tsa bona li fana ka boleng bo sa feleng libakeng tse thata.
LBH
P: galvanized steel ke eng?
A: Tšepe ea Galvanized ke tšepe e tloaelehileng e koahetsoeng ka zinki ho thibela mafome le ho bola.
P: Ke hobane'ng ha tšepe ea galvanized e sebelisoa ha ho hahoa?
A: Tšepe ea Galvanized e sebelisoa bakeng sa ho tšoarella ha eona le ho hanyetsa kutu, e loketseng merero ea ka ntle.
P: U ka cheselletsa tšepe ea masenke joang ka mokhoa o sireletsehileng?
A: Tlosa lesela la zinki sebakeng sa weld 'me u sebelise moea o nepahetseng ho qoba mosi o chefo.
P: Melemo ea ho sebelisa tšepe ea masenke ke efe?
A: Melemo e kenyelletsa ho hanyetsa kutu, ho boloka litšenyehelo, le ho tšoarella.
P: Tšepe ea masenke e bapisoa joang le tšepe e tloaelehileng?
A: Tšepe ea Galvanized e fana ka khanyetso e phahameng ea kutu ka lebaka la ho roala ha zinki.
