Mowall oa mothapo o notlolla tšepe e bataletseng ho potoloha kapa lisekoere. E kopanya metheo ho etsa lipeipi tse matla tsa tšepe. Mochine ona o bohlokoa haholo bakeng sa ho etsa li-tubes. E thusa ho etsa li-tubes le lipeipi lefatšeng ka bophara. Ka 2023, 'maraka oa mobile oa tut o ne o bua ka USD 11,77 billion. E tla lula e hola hobane batho ba hloka tšepe ea ho haha, likoloi le merero ea matla. Likhoebo tse ngata li sebelisa li-air mill tsa tube ho etsa lintho tsa bohlokoa. Tafole e ka tlase ho li-indasteri e sebelisang li-indasteri tse sebelisang li-tube tse kholo ka ho fetisisa: ho arolelana
| li-indasteri |
tsa mothapo (%) |
| Kaho |
45 |
| Oli le khase |
45 |
| Likoloi |
Ea bohlokoa |
| Matla |
Ho eketseha ha |
Liindasteri tsena li hloka ho beoa ha bimpo Mill. Ba e sebelisa ho etsa liphaephe tse matla tsa tšepe le likarolo tsa tšepe.
Key Picaways
Mowalli oa mothapo o notlolla likhoele tsa tšepe tse batang ka lisekoere kapa lisekoere. E kopa mekhabiso ka ho phomola ho ba matlafatsa.
Likarolo tse ka sehloohong tsa mongobo oa tuduke ke mongobo o sa lekaneng, o etsang li-yuniti, tse boima ba liroboto le tsamaiso ea ho qeta. Likarolo tsena li sebetsa 'moho ho etsa liphaephe tse ntle.
Tlhahiso e na le mealo e na le mehato ea bohlokoa. Taba ea pele, e se e ntse e se noella le ho feta tšepe. Ebe, eona ea tsamaea le ho roala lithaba. Qetellong, e ea sebetsa ebile ea e etsa hore ba kopane le melao ea boleng bo holimo.
Metsoako ea ho hanela ' Matona a Tube a se nang meeli a etsa lipeipi tse matla ntle le likheo tse ngata bakeng sa mesebetsi ea khatello e phahameng.
Liindasteri tse ngata li sebelisa li-tube mills. Kaho, oli le khase, koloi, le khase, le matla li hloka lisekoe tse matla tsa tšepe. Lialo tsa tube li thusa ho fumana li-tubense tse nepahetseng kapele ebile ha li na litšila tse fokolang.
Motheo oa mekhabiso
Moli oa thekeng
Mochine o molingoana o nka metsero e sephara le ho e nka ka li-tubes. E sebelisa moqolo e eme ho khumama tšepe ho pota-pota li-tubes. Mochine ka nako eo Welds The Tube Meter . Sena se etsa phala e matla, e telele. Molau oa mothapo o lokela ho ba hantle. Sena se thusa pope e 'ngoe le e' ngoe e kopana le melao e phahameng ea boleng.
Kamoo Moll Mill ea sebetsang e e amang hore na e ka etsa liphatsa tse potlakileng hakae.
Mochini o fepa likhoele tsa tšepe tse bataletseng ho li-edimo. Tsena li sebopeho seha metsero ho li-tubes.
Bohle bo boholo bo kopaneng ba ikopanya le li-tupe tse matla. Sena se etsa hore literaka li be matla.
Meqolo e khethehileng le lisebelisoa tsa lisebelisoa ebe li otlolla li-tubes.
Tsamaiso ea taolo e chencha, ho mo bopa le khatello ea maikutlo. Sena se boloka li-pipes tse ntle.
Mesebetsi ea ho kenella le ea ho se sebetse hantle boloka nako le ho hloka basebetsi ba fokolang.
Taolo e ntle le litsi tse matla li bolela litšila tse fokolang le liphaephe tse betere.
Mehato ena e thusa mochini ho etsa lipeipi kapele bakeng sa indasteri e mengata.
Li-vior tsa sejoale-joale tsa sejoale-joale li sebelisa li-atomation. Sensor a shebella mocheso, khatello le lebelo. Litsamaiso tse ikemetseng li hatella ho sithabetsa, ho tsukutla le ho itšeha. Opereishene e le 'ngoe e ka tsamaisa mola kaofela. Sena se etsa hore mosebetsi o sebetse ka potlako le ho feta.
Thiba ea Moliba Vers
Li-moyol tsa tube le li-motšehare tsa bolo ka bobeli li silila lintho, empa li fapane. Ba na le meralo le mesebetsi e fapaneng. Tafole e ka tlase e bonts'a kamoo ba e bapisang:
| moqapi oa mothapo |
oa mothapo oa mothapo |
oa maoto |
| Moralo |
Sekhoba se molelele, sekhobo se chesang se nang le karo-karo ea bolelele bo bolelele |
Roll roll, tekanyo e fapaneng ea bolelele |
| Media Media |
Mabenkele a tšepe kapa lithupa |
Li-Mabolo a tšepe kapa tsa waramic |
| Molao-motheo oa ho Sebetsa |
Ho feptjoa lintho tse lekaneng qetellong; Ho silakanya ke mecha ea litaba |
Thepa e kentsoeng silinda; Ho ts'oaroa ke libolo tsa litlolo |
| Litšitiso tse tloaelehileng |
Tlhahiso ea samente, OR Grinding, Steel Tube |
Meining, pharmacticals, ceramics, Labs tsa lipatlisiso |
| Matla a motsela |
Phahameng, bakeng sa bongata bo boholo |
E feto-fetoha, ho latela boholo le mofuta |
| Tsamaiso ea boholo ba eona |
E tšoaneloa ke ho hatelloa hantle |
E hlahisa phofo e ntle, e fetoletsoeng ka lebelo le media |
| Ts'ebeliso ea Liindasteri |
Samente, ho merafo, meepo, tšepe ea logy mill production |
Meining, pharmacticals, ceramics, lipatlisiso |
Metsoako ea mekhabiso ea meroalo ea methapo le li-pipipe tsa Weld Steel. Lisebelisoa tsa boloi tsa boloi li grinds ho phofo e metle bakeng sa ts'ebeliso e mengata.
Metsoako ea Moriri oa Moriri
Likarolo tsa mantlha
Mochine oa mali oa moliki o sebelisa lisebelisoa tse ngata tsa ho fetola lijana tse bataletseng ho liphaephe tse matla. Karolo ka 'ngoe e na le mosebetsi o khethehileng ts'ebetsong ea tlhahiso. Likarolo tsa bohlokoa tsa bana ba mohoo oa tube ba sebetsa 'moho ho etsa bonnete ba hore sehlahisoa sa ho qetela se kopana le maemo a phahameng.
A sa laole: Sesebelisoa sena se fepa likhoebo tsa tšepe mochini o mongobo. E boloka mohala oa tlhahiso o tsamaea ntle le ho emisa.
Mochine oa ho lekanya: mochini ona o thibela mothapo oa tšepe. E tlosa li-render 'me e etsa hore tšepe e boreleli pele e theha.
Ho kuta le seset-welder: Lisebelisoa tsena li kuta lesela la tšepe le linaka tse ling hammoho. Bohato bona bo thusa ho boloka tlhahiso e tsoelang pele.
Acctumulator: Lisebelisoa tsena li boloka liqhomane tsa tšepe 'me li boloka tsitsipano li tsitsitse. E thusa mochini o motala oa tleleniki o tsamayang hantle.
Ho theha le ho itlotsa milione: Rollers ka lehlakoreng lena e ba sebopeho serethe ho phopi e potolohileng kapa e sekwere. Ba boetse ba laola botenya le bophara ba lebota le bophara.
Setsi sa Welding : Karolo ena e kenella metheong ea mohala oa tšepe o sebelisa khafetsa. E baka phala e matla, e se nang liphoka.
Ho fofa ho khaola: Sena se ile sa khaola phala e felileng ka bolelele bo nepahetseng ha mohala oa tlhahiso o ntse o tsamaea.
Sistimi ena ea ho qeta : Lisebelisoa tsena lia otloloha, boreleli ebile li harela monyako. E lokisa phala hore e sebelisoe.
Mochine oa ho paka: Li-trite ena tsa mochini ebile li sireletsa lipeipi tse felileng bakeng sa polokelo le thomello.
Tlhokomeliso: Tlhokomelo ea kamehla ea lisebelisoa tsohle, joalo ka ho sheba li-rollers le likarolo tsa ho roala, e thusa ho thibela ho qhibiliha le ho boloka letsoai le makelang.
Rolling Mill Moled
Sebapali sa metsamao ke e 'ngoe ea likarolo tsa bohlokoa ka ho fetisisa tsa mochini o molingome. E ea sebelisa li-rollers tse matla hore li inama le ho bopa sefako sa tšepe. Moralo le boleng ba li-roller tsena li ama boholo, sebopeho le bokaholimo ba phala. Ho tsamaisana hantle le marulelo a boreleli ho li-rollers a thusa ho thibela likhelo ebe li boloka phala ho potoloha.
Mill Mill e thibela botenya le boholo ba phala.
Li-rolle tsa boleng bo holimo li hanela mocheso le ho roala, tse bolokang lisebelisoa li sebetsa nako e telele.
Tlhokomelo e nepahetseng le ho hokahana ha mill Mill e ntse e thusa ho qoba mathata joaloka marako a sa lekanyetsoang kapa liphaephe tse sothehileng.
Ts'ebetso ea billing ea Rolling e ama lebelo le boleng ba ts'ebetso ea tlhahiso eohle.
Sebapali se hlokometsoeng hantle se tiisa hore sejo se setle sa tšepe se hlahisa lipeipi tse nang le likarolo tse nepahetseng le li-wels tse matla. Sesebelisoa sena se tšehetsa tlhahiso e sebetsang le boleng bo holimo.
Lits'ebetso tsa senotlolo ka har'a tšobotsi
Ho sebelisa le ho otlolla
Tlhahiso ea moliki e qala ka ho sebelisana le ho otlolla. Basebetsi ba ile ba kotula mokotla ho se kenelletseng. Sengole se tsamaisa sethala sa tšepe moleng ka lebelo le tsitsitseng. Mechini e nang le mekhahlelo e matla le litsamaiso tsa Hydraulic li etsa mosebetsi ona. Ka mohlala, ho se nke lehlakore likoranta ho fihlela lithapo tse 6. E ka tsamaisa mohala ka potlako joalo ka limithara tse 50 ka motsotso. Coil hangata e le 1000 ho isa ho 1250 milione.
Kamora ho sebelisa, mochini oa ho bokella o folisa mohloa oa tšepe. Mochine ona o nka mpa le ntoa. E sebelisa li-rollers ho etsa sephara se hloahloa le se boreleli. Picch Roller o thusa ho tataisa mohala e le karolollang. Ts'ebetso e boetse e tlosa hlooho le mohatla oa sethala. Sena se tlosa likarolo leha e le life tse senyehileng. Butt welling o ikopanya le lipheletso tsa litefiso tse fapaneng. Sena se etsa hore e be sebaka se le seng se lelelele bakeng sa tlhahiso.
Tlhokomeliso: Mehato ena e hlokahala ke melao ea indasteri. Li etsa bonnete ba hore lesela la tšepe le na le sephara, le otlolohile, 'me le na le methapo e boreleli. Sena ke sa bohlokoa bakeng sa ho etsa liphaephe tse ntle tse nang le meeli e tiileng ea boholo.
| Paramente |
Tlhaloso ea |
| 'Mapheto (ho sebelisa) |
2.2 kw |
| Matla a Hydraulic a matla |
3 kw |
| Lebelo la ho se sebetse |
Ho fihla ho 50 m / min |
| Coil ka hare ho bophara |
508 mm kapa 610 mm |
| Bophara ba Coil |
1000 ho isa ho 1250 mm |
| Kopo ea koae |
Ka tlase ho 1300 mm |
| Motsoako o lekantsoeng |
Lithane tse ka tlase ho 6 |
Ho theha le ho palama
Mohato o latelang oa theha le ho tšoarela. Li-roller li khumamela se sephara se sephara ka sebopeho sa tube. Roller e 'ngoe le e' ngoe e potoloha mohala hape. Haufinyane, seliba se fetoha mothapo oa lisekoere. Mohato ona o laola sebopeho sa tube le botenya ba lebota. Ho bohlokoa bakeng sa matla le boleng ba ngoana.
The Ts'ebetso ea welding e ikopanya le metheo ea tube. Boholo ba meaho e ngata bo sebelisa khafetsa. Mokhoa ona o loma metho ona ka potlako ebe o e hatella hammoho. Sena se etsa semmuso se matla. Weld Seam e fapane le ea mothapo o mong. Kahoo, ho tlameha ho ba ho loka ho lokile. Mohopolo o motle o thusa ho sebetsana le khatello ea maikutlo le khatello.
Weading e phahameng ea Frever (hfw) ke tsela e kholo ea ho ikopanya le maemo a mothapo.
Tube sebopeho se etsa hore moqapi a be matla haholo empa o sa ratehe.
Weld Seam e tlameha ho hlahlojoa ka matla le boleng.
Taolo ea boleng bo sebelisa maikutlo le lik'hamera ho shebella WAld. Basebelisi ba sebelisa li-lasers le lisebelisoa tsa mahlo ho lekola sebopeho sa tube. Ba boetse ba sebelisa liteko tsa joale tsa morao-rao ho fumana mathata a patiloeng. Linoko tsena li thusa ho boloka e le matla le mothapo o se nang mefokolo.
Keletso: li-roller le yuniti ea Welding e lokela ho holisoa hantle. Ho tsamaisana hantle ho haella ho boloka limpho le ho boloka sebopeho sa tube hantle.
Ho sesa le ho qeta
Kamora ho hlapaola, tube e ea ho tlola le ho qeta. Ho inyepa li-rollers lokisa bophara ba tube le tsela e chitjalang. Mohato ona o lokisa liphetoho life kapa life ho tsoa ho WeDing le ho theha. Tube e tlameha ho fihlela melao e thata bakeng sa boholo, lebota la maralla le ho loka. Mechini ena e ka boloka manyala e le ka thata le limilimithara tse 0,02.
Ho qeta ho kenyelletsa ho otlolla, ho itšeha le ho phekola. Mochini o otlolohileng o nka li-stumed tse setseng ka har'a tube. Ho kuta ha sehiloeng ka ho fofa ho khaola mothapo ho bolelele bo nepahetseng ha mohala o ntse o tsamaea. Basebetsi kapa mechini e sheba sebaka sa mothapo bakeng sa likhahla kapa lithaelese. Li-tubers tse ling li fumana kalafo e eketsehileng joalo ka ho koahela kapa ho penta ho etsa hore bokapele bo be betere.
Ho inyepa li-rollers etsa bonnete ba hore tube ke boholo bo nepahetseng le sebopeho.
Mechini e otlolohileng e boloka tube ka kotloloho bakeng sa ts'ebeliso e bonolo.
Mechine e sehiloeng e hloekisoa, e phethe ka tube ka seng.
Tlhokomeliso: Taolo e ntle ea ts'ebetso le tlhokomelo e tloaelehileng ea ho emisa e emise likoto le ho boloka lintho li matha hantle. Ha tube e lekanang e sebelisa ho hokahana ka hloko le taolo, ho na le mathata a mangata, bokaholimo bo betere, le lisebelisoa tse tšoarellang tse telele.
Mehato e ka sehloohong ea tlhahiso-leseling e sa laolang, e otlollang, e theha, ho tšela le ho qeta - e sebetsa hammoho ho etsa li-tubes tse fihlelang melao e khotsofatsang tsa indasteri. Mohato ka mong o lokela ho etsoa ka hloko ho etsa bonnete ba hore mothapo oa ho qetela o matla, o nepahetse ebile o loketse ho sebetsa ka thata.
Mefuta ea Tlhahiso ea Little Mill
Erw Mokllo Moway
Mokhoa oa ho hana motlakase oa motlakase (Orw) Tube mids ho thusa ho teba li-tubes tsa tšepe. Mechine ena e sebelisa ho bata ho ts'oasa likhoele tsa tšepe tse bataletseng ho li-tubes. Sepheo se kopanya methati e nang le motlakase o phahameng. Sena se etsa lipeipi ka seam u ka bona ka mothapo. Erw Tube mills e ka etsa li-tubes ka boholo bo bongata le bosetso. Sena se etsa hore ba ka ba molemo bakeng sa indasteri e mengata.
Litšobotsi tsa Bohlokoa tsa Erw Tube Bills ke:
Tafole e ka tlase e bonts'a hore na joang Mohloli ea thabeng o se nang letho ha o fapane:
| Karolo e |
mpe |
e qaqileng |
| Ts'ebetso ea Tlhahiso |
Cold e tšoereng, welding welding |
Ho sarolosela le ho roma, ha ho Seam Seam |
| LITLHAKISO TSA 'Mele |
Ho ba thata, ho ts'epahala bakeng sa tšebeliso e tlase ea khatello |
Matla a phahameng, ho molemo ho khatello e phahameng |
| Ho Mabosa Masala |
E laoloang nakong ea 0,05mm |
Ho kheloha ho hoholo, ho fihlela ho 0.9mm |
| Mekhabiso e nepahetseng |
Phahameng |
Tlase |
Leloala la mothapo
Li-milli tse se nang letho li etsa lipeipi tse se nang seam. Ts'ebetso e qala ka sejo se tiileng sa tšepe. Lirosa tse le 'Milione le tse phumula lijana, ebe u li tšela ka thabeng e ka ho thuso. Ka tsela ena, lipeipi tse se nang letho li matla ebile li khona ho sebetsana le khatello e eketsehileng - hoo e ka bang 20% ho feta lipeipi tse ling tse tšehang. Li-tubes tse se nang letho le tsona li loantšana li le betere hobane ha li na sebaka sa Wild.
Li-milue tse ntle tse se nang letho li sebelisoa ka oli, khase le matla a matla. Mesebetsi ena e hloka lipeipi tse ka nkang khatello le mocheso o phahameng. Ts'ebetso ena e nka nako e telele ho e sebelisa matla a mangata, ka hona li-tubes tse se nang meeli li bitsa li-pipi tse ling.
Mekhoa e Meholo
Tit Night Ho sebelisa mekhoa e fapaneng ea ho soma, empa botebo ba khafetsa ke ba tloaelehileng haholo bakeng sa liphaephe tse ileng tsa foka. Mokhoa ona o kenyelletsa ho ikopanya le ho tlama ka bobeli. Mesebetsi ea khafetsa e sebetsa ka tšepe e ngata, e mathela ka potlako, 'me e sebelisa matla a fokolang. E boetse e etsa sebaka se senyenyane se amehang mocheso, ka hona ha ho na letho le tlase.
Mekhoa e meng e fokolang e fokolisang, joaloka mehlaka ea ho hanyetsa, e boetse e sebelisoa ho ho etsa joalo. Will Electric Will Electrice (ERW) e ratoa bakeng sa ho etsa phala e kholo ea nako e telele. E sebetsa hantle bakeng sa cbone ea khabone, tšepe e se nang letho, le alloy steel. Empa ERW e molemo ka ho fetisisa bakeng sa liphaephe le mabota a tšesaane. Lipopallo tse entsoeng ka tsela ena li theko e tlase hape li sebetsa hantle bakeng sa ts'ebeliso e mengata.
KELETSO: Ho khetha mokhoa o nepahetseng oa ho khethang ho thusa ho boloka chelete ebe o etsa liphaephe tse matla, tse ntle.
Lisebelisoa tsa Tlhahiso ea Tšobollo
Liindasteri li sebelitse
Likhoebo tse ngata li hloka li-tubes le liphaephe . Li-tube tsena li bohlokoa ho ho haha lintho. Li thusa ho etsa meaho e matla le ho shebahala hantle. Indasteri ea oli le ea khase e sebelisa lipeipi tsa tšepe ho tsamaisa khase le lino. Lipeipi tsena li ka sebetsana le khatello e phahameng le libaka tse thata. Sena se ba etsa hore ba bohlokoa ho cheka.
Tafole e ka tlase e bonts'a hore na liindasteri tse fapaneng li sebelisa li-tubes le lipeipi:
| Liipole |
Tlhaloso ea Ts'ebeliso ea |
| Indasteri ea oli le khase |
Pipes e tlameha ho ba matla le ho sebetsana le khatello e kholo. Ba kopana le melao e thata. Ba hanela mocheso le masene. |
| Indasteri ea kaho |
Li-pipes li sebelisetsoa metsi le lits'oants'o. Ba hana mafome le khatello bakeng sa tšebeliso e telele. |
| Likoloi |
Liphaepi li sebelisoa ka koloing. Ba hloka ho ba matla le ho hlakile. |
| Liindasteri tsa lik'hemik'hale |
Lipeipi li tsamaisa lik'hemik'hale le likhase. Ba tlameha ho hanela mafome hore ba lule ba sireletsehile. |
| Indasteri ea lijo le tse tsoekere |
Liphaepi li na le litekanyetso tse bolokiloeng, tse sireletsehileng. Ho bonolo ho e hloekisa le ho se fofe. |
| Liiporitiwa tsa pharmaceutical |
Liphaepi li sebelisoa bakeng sa meriana le lisebelisoa. E tlameha ho hloeka le ho hanyetsa mafome. |
Baetsi ba koloi ba sebelisa li-tube tsa tšepe bakeng sa liforeimi le likarolo tse ling. Indasteri ea matla e sebelisa lisupi bakeng sa liphaephe le ho etsa matla. Mesebetsi ena e hloka lithaba tse matla le tse sireletsehileng bakeng sa ts'ebeliso e mengata.
Melemo ea Production ea Bili
Litsela tsa sejoale-joale tsa ho etsa li-tubes li na le lintlha tse ngata tse ntle. Lisebelisoa tsa ho fetola kapele ho lumella basebetsi ba fetola mesebetsi ea pele mesebetsing e le 'ngoe. Sena se thusa ho etsa li-tubes tse eketsehileng 'me li kopane le litaelo tse ncha. Mechine e lekola mosebetsi hore o boloke boleng bo holimo le litšila tlase.
Tsela e ncha e boloka matla le chelete. Lifektherete li ka sebelisa chelete eohle, ka litšila tse nyane. Mohlala, moetsi oa koloi ea koloi ea Brazil o ile a etsa 40% li-tubes tse ling. Ba boetse ba khaola scrap ho tloha ho 10% ho isa ho 2.5%. Litšenyehelo tse ntle tsa boleng le litšenyehelo tse tlase li fumana mosebetsi o mongata.
Lintho tse ntle ka Mechini e melang ea lolone ke:
Ho sebetsa ka potlako le li-tubes tse ling tse entsoeng
Litsenyehelo tse tlase bakeng sa tšepe le basebetsi
Kamehla ho ba le liphaephe tse ntle tsa tšepe
Senya litšila le tšebeliso e ntle ea tšepe
TLHOKOMELISO: LITLHAKISO TSE LING TSA TLHOKOMELISO Likhamphani li etsa hore ka lebelo ho seo bareki ba se batlang ebe ba boloka litšenyehelo.
Li-freetories tsa sejoale-joale li sebelisa mechini e khethehileng ho etsa li-tubes tsa tšepe. Mechine ena e theha lesela la li-tuben ka hloko. Basebetsi ba tlameha ho tseba mohato o mong le o mong o ntse o etsa joalo. Ba boetse ba hloka ho hlokomela mechini. Ho hlahloba mechini hangata ho thusa ho emisa mathata. Sena se boloka li-tubese li matla ebile boleng bo phahame. Kaho, koloi le lik'hamphani tsa matla li sebelisa li-tube tsena tse ntle.
LBH
Ke lisebelisoa life tse ka bapalang?
A Koloi ea mothapo e ka sebetsana le tšepe tse ngata. Liqeto tse tloaelehileng li kenyelletsa tšepe ea cbonon, tšepe e se nang kelello le aluminium. Mells e meng e boetse e sebetsa ka koporo kapa alloy li-colpers. Khetho ea lintho tse bonahalang e itšetlehile ka tšebeliso ea sehlahisoa sa ho qetela.
Monyako o moli o joang o netefatsa boleng ba pipe?
Basebelisi ba sebelisa sensors le lik'hamera ho hlahloba Welds le sebopeho sa tube. Metjine e lekanya boholo le botenya. Linoche tsa boleng li etsahala mohato ka mong. Ts'ebetso ena e thusa ho boloka pipi e 'ngoe le e' ngoe e matla ebile e nepahetse.
Phapano ke efe pakeng tsa li-tubes tse se nang letho?
| Tšela |
erw li- |
tubes tse se nang letho |
| Weld Seam |
Ho joalo |
Che |
| Matla |
E ntle |
Phahameng |
| Litšenyehelo |
Tlase |
Phahameng |
Li-tubes tse fokang li na le seam se bonahalang. Li-tubers tse se nang letho ha li etse joalo.
Ke hangata hakae lisebelisoa tsa lehalie li fumanang tlhokomelo?
Li-factories tse ngata li hlahisa mechini letsatsi le letsatsi. Ba hloekisa li-roller le hlahloba li-welders. Ho lokisa ka botlalo ho etsahala libeke tse 'maloa. Tlhokomelo e tloaelehileng e boloka mojatho o tloaelehileng o ntse o matha hantle mme o thusa ho thibela ho tlola.
