Koj yuav tsum siv ceev faj kom khaws koj tus kheej Galvanized Steel Chev nyab xeeb. Kev khaws cia zoo tsis txhob xeb, kev puas tsuaj, thiab teeb meem kev nyab xeeb. Yog tias koj tsis khaws nws zoo, coils tuaj yeem poob lossis yob. Bands tuaj yeem tawg. Lub kauj tuaj yeem puas lossis xeb. Nws kuj tuaj yeem ua qias tuaj. Cov teeb meem no tuaj yeem ua mob rau tib neeg thiab cov khoom pov tseg. Peb lub tuam txhab paub tias cov kauj ruam yooj yim pab tau ntau heev. Koj tuaj yeem txuag nyiaj los ntawm kev khaws cia thiab xa cov coil kom raug.
Ntsiab Cai
Khaws galvanized steel coils nyob rau hauv ib qho chaw qhuav nrog cua zoo. Qhov no pab tiv thaiv xeb thiab ua kom lawv muaj kev nyab xeeb. - Muab cov coils rau ntawm racks lossis cradles kom lawv nyob ruaj khov. Tsis txhob tso lawv siab dhau kom tsis txhob muaj xwm txheej. - Txheeb xyuas cov coils feem ntau kom khawb lossis xeb. Qhov no yuav pab koj nrhiav tau cov teeb meem ntxov thiab ua kom lawv zoo. - Thaum xa khoom, siv cov ntim khoom muaj zog thiab ruaj ntseg cov coils zoo. Qhov no tiv thaiv lawv ntawm kev puas tsuaj thaum tsiv. - Muab cov ntawv qhia meej rau txhua qhov khoom xa tuaj. Qhov no pab tib neeg tswj lawv kom nyab xeeb thiab nres qhov yuam kev thaum thauj lossis tshem tawm.
Vim li cas Kev Cia Khoom Zoo
Kev pheej hmoo ntawm Cov Hlau Chev Tsis Zoo Cia
Yog tias koj tsis khaws cov galvanized steel coils raws li txoj cai, tej yam tsis zoo tuaj yeem tshwm sim. Coils tej zaum yuav poob los yog yob yog tias lawv stacked tsis ncaj ncees lawm. Qhov no tuaj yeem ua mob rau tib neeg thiab tawg cov coils. Ntau lub tsev khaws khoom raug xwm txheej tshwm sim vim tias cov neeg ua haujlwm tsis sib tw coils kom nyab xeeb. Stacking coils rau hauv pem teb siv qhov chaw thiab ua rau kev sib tsoo ntau dua. Cov neeg tuaj yeem raug crushed thaum tsiv coils li no. Koj yuav tsum siv racks, cradles, los yog dunnage kom coils tseem. Tsis txhob muab cov coils siab dhau kom lawv nyob ruaj khov. Khaws cov coils kom deb ntawm qhov chaw tsis khoom. Ib txwm muab cov ntawv sau rau ntawm cov coils kom koj paub tias lawv yog dab tsi. Muab cov coils loj dua rau hauv qab ntawm pawg. Siv cradles los yog dunnage kom coils tsis yob tawm. Cov kauj ruam no pab kom tsis txhob muaj xwm txheej thiab ua kom txhua tus muaj kev nyab xeeb.
Tswv yim: Tsis txhob stack slit coils ntau tshaj peb siab los yog master coils ntau tshaj ob siab. Qhov no ua rau koj qhov chaw khaws cia ruaj khov thiab txo qhov muaj feem cuam tshuam.
Cov txiaj ntsig ntawm Kev Cia Siab Zoo
Kev khaws cov coils txoj kev yog ua kom lawv muaj zog thiab kav ntev. Cov huab cua zoo ua kom cov dej ntws tawm thiab tsis txhob xeb. Koj yuav tsum khaws cov coils kom qhuav thiab tawm ntawm lub hnub. Tshawb xyuas cov coils feem ntau kom pom cov teeb meem ntxov thiab ua kom cov txheej txheem zoo. Siv cov ntawv galvanized hauv peb lub hlis kom tsis txhob xeb. Cov huab cua zoo kuj pab tswj cov cua sov thiab ntub dej, uas ua rau cov hlau muaj zog. Cov kauj ruam no pab koj lub chaw khaws cia kom nyab xeeb thiab ua haujlwm zoo.
Tau txais txiaj ntsig |
Nws pab koj li cas |
Tiv thaiv xeb |
Khaws cov coils kom qhuav thiab huv si |
Txo cov xwm txheej |
Txwv kev txav mus los thiab stacking |
Txuag Chaw |
Organizes coils zoo |
Ua kom zoo |
Khaws galvanized txheej |
Galvanized Steel Chev Cia Lub Tswv Yim
Environment Control
Koj yuav tsum tau saib xyuas qhov chaw cia ze ze. Khaws kom qhuav thiab deb ntawm cov tshuaj. Cov tshuaj tuaj yeem ua mob rau cov zinc txheej. Qhov chaw zoo tshaj plaws rau cov hlau coils yog sab hauv. Nyob sab hauv tsev, koj tuaj yeem tswj cov cua sov thiab ntub dej. Sim ua kom cov av qis dua 60%. Qhov no pab tiv thaiv xeb thiab ua kom cov coils muaj zog. Cov huab cua zoo tso tseg dej los ntawm kev tsim. Tsis txhob cia lub hnub ci tsoo cov coils. Hnub ci tuaj yeem ua rau lawv kub dhau thiab ua rau muaj kev phom sij.
Khaws cov hlau coils hauv qhov chaw qhuav nrog cua zoo.
Khaws cov av qis dua 60% kom tsis txhob xeb.
Nyob deb ntawm cov tshuaj thiab cov pa roj xws li CO2 thiab SO2.
Siv racks lossis cradles los nqa coils tawm hauv pem teb.
Tswv yim: Khaws cov coils sab hauv pab koj tswj cov cua sov thiab ntub dej. Qhov no pab tiv thaiv xeb.
Tiv thaiv kom tsis txhob ya raws
Dej yog qhov phem heev rau galvanized steel kauj . Yog tias dej zaum ntawm lub kauj, nws tuaj yeem ua rau xeb dawb. Dawb xeb ua rau cov zinc txheej. Koj tuaj yeem txwv qhov no los ntawm kev ua ob peb yam:
Nqa hlau coils tawm hauv av nrog pallets. Qhov no ua kom cov dej nyob deb thiab pab huab cua txav mus los.
Tsis txhob muab cov coils ze ze ua ke. Cia qhov chaw kom huab cua txav mus los.
Siv cov npog uas tso cua tawm yog tias koj khaws cov coils sab nraud. Cov npog no cia los nag tab sis cia dej khiav.
Siv VCI zaj duab xis thiab cov ntaub ntawv los pab tiv thaiv xeb.
Siv VCI nrog cov ntaub qhwv uas khaws cov dej kom muaj kev nyab xeeb ntxiv.
Tsis txhob siv tej yam uas ntxiab dej los yog muaj tshuaj phem.
Thaum tshav kub kub thiab ntub dej hloov sai npaum li cas cov ntaub ntawv xeb. Yog tias cov coils ntub dej, cov xeb dawb tuaj yeem tshwm sim. Qhov no tshwm sim ntau nyob rau hauv lub folds ntawm lub kauj. Qhov ntev coils yog ntub, qhov ntau xeb tuaj yeem tsim. Cov huab cua zoo thiab ua kom cov khoom qhuav yog qhov tseem ceeb heev.
Kab rov tav cia
Kev khaws cov coils tiaj yuav zoo li yooj yim, tab sis nws tuaj yeem pheej hmoo. Cov coils tuaj yeem yob lossis poob yog tias tsis tuav nruj. Qhov no tuaj yeem ua mob rau tib neeg lossis tawg cov coils. Nws tsis yog ib lub tswv yim zoo los khaws galvanized steel kauj li no. Yog tias koj yuav tsum ua, xyuas kom cov av tiaj tus. Xyuas kom cov coils txav tsis tau.
Disadvantages ntawm Kab rov tav cia rau Galvanized Steel Coils |
Coils tuaj yeem yob lossis poob yooj yim dua hauv txoj haujlwm no |
Wrapping los yog txav coils yuav nyuaj dua li no |
Cov coils tuaj yeem plam tawm racks yog tias qhov chaw tsis tau pleev xim zoo |
Nco ntsoov xyuas racks lossis cradles kom pom tias lawv muaj zog. Yog tias koj pom kev puas tsuaj, kho sai sai. Qhov no ua rau cov coils muaj kev nyab xeeb thiab nres kev sib tsoo.
Kev siv Spacers thiab Separators
Spacers thiab separators pab kom cov coils muaj kev nyab xeeb. Muab ntoo spacers ntawm txhua lub kauj. Qhov no txwv tsis pub lawv kov. Huab cua tuaj yeem txav ntawm cov coils thiab dej tsis nkag. Separators kuj nres khawb thiab dents.
Siv ntoo spacers los nqa coils.
Muab cov khoom sib cais ntawm cov coils kom lawv tsis txhob kov.
Xyuas kom cov spacers qhuav thiab huv si.
Lus Cim: Zoo spacers thiab separators pab nres xeb thiab ua kom cov coils zoo.
Kev tshuaj xyuas tsis tu ncua
Xyuas koj cov coils hlau ntau zaus. Saib rau khawb los yog me ntsis ntawm cov zinc txheej. Ua ib txoj kev npaj los xyuas cov coils raws li qhov koj khaws cia. Yog tias qhov chaw ntub dej los yog ntxhib, xyuas ntau zaus. Kev kuaj xyuas tsis tu ncua pab koj pom cov teeb meem ntxov thiab kho lawv.
Nrhiav kev puas tsuaj los yog xeb.
Xyuas cov racks, spacers, thiab separators.
Hloov koj lub sijhawm kuaj xyuas yog tias koj pom ntau xeb lossis puas.
Kev tshuaj xyuas cov coils feem ntau pab nres xeb thiab ua kom koj cov galvanized steel kauj muaj kev nyab xeeb thiab muaj zog.
Safely Shipping Hlau Coils
Kev Tiv Thaiv Ntim
Thaum koj tau txais galvanized steel coils npaj rau nkoj, siv cov ntim muaj zog. Qhov no pab nres kev puas tsuaj thiab ua kom koj cov coils zoo. Qhov zoo tshaj plaws ntim muaj ntau txheej. Pib nrog ib txheej uas tsis xeb thiab noo noo. Cov txheej no ua rau cov hlau tsis muaj dej. Tom ntej no, qhwv cov npoo los tiv thaiv cov coil qhov tsis muaj zog. Rau sab nraud, siv cov hlau los yog cov ntawv tawv tawv. Cov no pab tiv thaiv cov pob thiab khawb thaum thauj khoom.
Tsis txhob muab daim ntawv tiv thaiv corrosion rau ntawm qhov chaw galvanized. Qhov no tuaj yeem ua rau cov tshuaj tiv thaiv thiab ua kom dawb tawg yog tias muaj dej. Xwb, ntxiv lwm txheej ntawv los yog siv hardboard thiab ntawv hlau rau sab nraud. Qhov no muab kev tiv thaiv zoo dua thiab pab tswj cov hlau kauj.
Nco tseg: Kev ntim khoom zoo nkauj tuaj yeem raug nqi ntau dua, tshwj xeeb tshaj yog tias koj siv lub thawv kev cai lossis tshuab. Tus nqi nyob ntawm qhov loj, qhov hnyav, thiab cov khoom koj xaiv. Kev ntim ntim cov nqi ntau dua thaum xub thawj tab sis tuaj yeem txuag nyiaj tom qab los ntawm kev tso tseg kev puas tsuaj thiab ua kom yooj yim rau kev txav coil s.
Kev ruaj ntseg
Kev tuav thiab tuav cov coils txoj hauv kev yog qhov tseem ceeb heev rau kev nyab xeeb. Koj yuav tsum siv cov cuab yeej kom raug thiab ua raws li cov cai tswj kev nyab xeeb. Siv cov cranes lossis forklifts los muab cov coils ntawm cov tsheb thauj khoom. Muab txhua lub kauj kom qhov hnyav sib kis. Qhov no pab nres lub kauj ntawm kev txav thaum mus ncig.
Coil racks muab lub hauv paus muaj zog rau cov coils hnyav. Lawv kav ntev dua thiab tuav hnyav dua li kev txhawb nqa yooj yim. Kev siv coil racks ua rau muaj kev nyab xeeb rau cov neeg tsav tsheb thiab lwm tus. Ua ntej xa khoom, xyuas tag nrho cov hlua khi thiab nrhiav kev puas tsuaj ntawm lub tsheb. Thaum thauj khoom thiab tshem tawm, siv chocks, wedges, straps, thiab chains. Cov no ua kom cov coils tsis txav. Ib txwm ua raws FMCSA thiab EN 12195 cov cai rau khi cov coils.
Rau qhov muag-rau-lub-ntev coils, siv cov hlua ruaj khov thiab cov hlua khi kom tsis txhob tipping lossis dov. Xyuas kom cov no nruj thiab xyuas lawv ua ntej mus ncig. Rau qhov muag-rau-tus-sab coils, siv cov hlua ntxiv kom tsis txhob sab txav. Tom qab thauj khoom, xyuas txhua yam ntxiv thiab tham nrog tus tsav tsheb txog kev nyab xeeb.
Tswv yim: Txoj hauv kev zoo rau kev ruaj ntseg coils pab nres kev sib tsoo thiab ua kom koj cov coils muaj kev nyab xeeb.
Labeling thiab tuav
Labeling thiab tuav yog ib qho tseem ceeb rau kev nyab xeeb. Koj yuav tsum ua raws li kev cai hauv ntiaj teb thaum xa cov hlau coils. IMDG Code qhia koj yuav ua li cas khi cov khoom thauj hauv nkoj. Nws piav qhia yuav ua li cas lash, thaiv, thiab brace steel coils. CTU Code pab koj ntim thiab khaws cov khoom thauj kom zoo, tsom mus rau kev sib npaug thiab kev nyab xeeb.
Nco ntsoov xyuas cov cai hauv zos ntawm ob lub chaw nres nkoj. Cov pab pawg zoo li Lub Ntiaj Teb Shipping Council qhia cov lus qhia rau kev tuav steel coils. Siv cov ntawv ntshiab uas qhia cov kauj qhov hnyav, qhov loj, thiab yuav ua li cas. Qhov no pab cov neeg ua haujlwm zam kev ua yuam kev thiab ua kom txhua tus muaj kev nyab xeeb.
Thaum tuav cov coils, hnav hnab looj tes, kaus mom tawv, thiab khau ruaj ntseg. Cov no tiv thaiv koj ntawm kev txiav thiab hnyav hits. Tsiv maj mam thiab siv cov cuab yeej zoo thaum thauj khoom thiab tshem tawm. Muaj ntau yam xwm txheej tshwm sim vim kev tuav tsis zoo thiab khaws cia. Yog tias koj siv lub ntim khoom tsis raug lossis kev thauj mus los, koj yuav raug xeb thiab cov pob zeb ntawm koj cov coils. Txawm hais tias sab nraud zoo li zoo, sab hauv tseem tuaj yeem raug puas tsuaj.
Kev Ceeb Toom Kev Nyab Xeeb: Ib txwm siv cov iav kom raug thiab ua raws li cov cai kom tsis txhob raug mob thiab ua kom koj cov coils muaj kev nyab xeeb.
Huab cua tiv thaiv
Huab cua tuaj yeem ua teeb meem loj thaum xa cov hlau coils. Los nag, daus, thiab huab cua ntub tuaj yeem ua rau xeb thiab ua rau lub coil tsis muaj zog. Koj yuav tsum tiv thaiv koj cov coils los ntawm huab cua. VCI films tso tawm cov vapors uas nres xeb. Cov ntaub ntawv polyethylene khaws cov dej tawm. Corflute® nplooj ntawv tiv thaiv dej thiab pob.
Muab cov coils hauv cov ntawv tsis muaj dej kom tsis txhob muaj av thiab dej. Rau kev nyab xeeb ntxiv, siv cov hnab ntawv hlau. Cov no muaj cov roj, cov ntawv pov thawj dej noo, thiab cov hlau npog rau cov ntaub thaiv zoo tshaj plaws. Kev tiv thaiv huab cua zoo yog ib feem ntawm kev xa khoom nyab xeeb thiab pab koj kom tsis txhob kho.
Tswv yim: Nco ntsoov xyuas koj cov huab cua npog ua ntej xa khoom. Hloov txhua yam uas tawg kom koj cov coils muaj kev nyab xeeb.
Los ntawm kev ua raws li cov kauj ruam no, koj ua kom muaj kev nyab xeeb dua, txo qis kev puas tsuaj, thiab ua kom tswj cov coil yooj yim dua. Kev ntim khoom zoo, kev ruaj ntseg, daim ntawv lo, thiab kev tiv thaiv huab cua txhua tus pab ua kom koj cov coils muaj kev nyab xeeb thaum xa khoom.
Kev coj ua zoo tshaj plaws rau Steel Chev Cia thiab Shipping
Do's thiab Don'ts
Koj tuaj yeem khaws galvanized steel coils muaj kev nyab xeeb los ntawm kev ua raws li ob peb yam yooj yim ua thiab tsis ua. Cov kev coj ua zoo tshaj no pab koj kom tsis txhob muaj kev puas tsuaj thiab ua kom koj qhov chaw ua haujlwm nyab xeeb.
Ua:
Khaws cov coils hauv qhov chaw uas muaj cua zoo thiab qhov cua. Qhov no ua kom tsis muaj dej noo thiab tsis txhob xeb.
Siv racks los yog cradles los tuav cov coils. Xyuas kom cov skids muaj zog thiab zoo.
Stack slit coils tsis ntau tshaj peb siab thiab master coils tsis ntau tshaj ob siab. Muab cov coils loj dua rau hauv qab.
Tshem tawm PVC zaj duab xis thaum xav tau los tiv thaiv kev puas tsuaj los ntawm tshav ntuj lossis ya raws.
Qhia koj pab neeg nyob rau hauv kev nyab xeeb nqa thiab tuav. Siv cov cuab yeej tsim nyog rau kev txav coils.
Khaws cov coils kom deb ntawm qhov chaw tsis khoom. Muab lub forklifts txaus kom txav mus los yam xyuam xim.
Siv kev tswj huab cua kom txo qhov kev pheej hmoo ntawm corrosion.
Txheeb xyuas cov ntim khoom ntau zaus thiab siv cov ntaub nplaum uas muaj zog.
Sau txhua qhov kev xa khoom kom meej nrog qhov chaw nyob thiab cov lus qhia tuav.
Sib npaug ntawm cov khoom thauj hauv cov tsheb thauj khoom thiab siv ntau txheej ntim rau kev tiv thaiv.
Tsis txhob:
Tsis txhob muab cov coils siab dhau. Qhov no tuaj yeem ua rau tipping lossis deformation.
Tsis txhob khaws cov coils ntawm cov plag tsev tsis sib xws los yog nplua.
Tsis txhob cia cov coils cia ntev dhau. Siv lawv sai li sai tau.
Tsis txhob siv cov racks puas lossis skids.
Tsis txhob thaiv kev nkag mus rau coils. Nco ntsoov tias koj tuaj yeem ncav cuag lawv tau yooj yim.
Zam kev tuav tsis raug, xws li siv cov cuab yeej tsis raug lossis hla kev kuaj xyuas kev nyab xeeb.
Tswv yim: Lub tuam txhab Midwest tau siv Rollstop ™ system thiab nce kev cia los ntawm 30%. Lawv tau txais yuav luag $ 600,000 los ntawm kev zam kev tsim tsev rau khoom tshiab. Cov kev daws teeb meem ntse tuaj yeem txuag koj nyiaj thiab chaw.
Feem ntau yuam kev
Kev ua yuam kev thaum lub sij hawm steel coil cia thiab xa khoom tuaj yeem ua rau muaj teeb meem loj. Koj yuav tsum paub dab tsi yuav tsum tau saib xyuas.
Hom kev puas tsuaj |
Kev piav qhia |
Qhov tshwm sim |
Telescoping |
Cov khaubncaws sab nraud povtseg hloov mus rau sab tsis muaj zog los yog kev txhawb nqa. |
Coil collapse thiab teeb meem unwinding. |
Ntug Kev puas tsuaj |
Dents los yog kua muag ntawm cov npoo los ntawm kev tuav tsis zoo los yog kev tiv thaiv tsis zoo. |
Dav teeb meem thiab teeb meem thaum ua. |
Kev puas tsuaj saum npoo |
Kos, xeb, los yog stains los ntawm kev sib cuag lossis ya raws. |
Tsawg zoo thiab tsis muaj corrosion kuj. |
Coil Breaks |
Indentations los ntawm nruj bands los yog cov ntaub ntawv tsis raug. |
Cov ntsiab lus kev ntxhov siab thiab teeb meem flatness. |
Lub cev Distortion |
Coil zoo hloov pauv los ntawm kev sib tsoo tsis zoo lossis cuam tshuam. |
Teeb meem haum thiab ua cov kauj. |
Muaj ntau yam teeb meem los ntawm kev tuav tsis raug thiab ntim khoom tsis zoo. Cov kev tshawb fawb qhia tau hais tias feem ntau cov khoom xa tuaj puas tshwm sim vim lub ntim tsis muaj zog lossis cov ntawv tsis zoo. Yog tias koj txo tus naj npawb ntawm lub sij hawm lub kauj txav, koj txo qhov kev pheej hmoo ntawm kev puas tsuaj. Cov thev naus laus zis tshiab tuaj yeem pab koj taug qab cov khoom xa tuaj thiab pom cov teeb meem ntxov.
Nco tseg: Kev kuaj xyuas tsis tu ncua thiab kev cob qhia pab koj kom tsis txhob ua yuam kev no. Ib txwm ua raws li cov cai tswj kev nyab xeeb thiab siv cov cuab yeej tsim nyog.
Koj khaws galvanized steel coils muaj kev nyab xeeb los ntawm kev siv cov kauj ruam ntse. Xyuas kom cov coils nyob twj ywm qhuav. Muab lawv tso rau ntawm cov racks muaj zog. Xyuas coils feem ntau yog muaj teeb meem. Cov kauj ruam no pab nres xeb thiab puas. Lawv kuj txo txoj kev pheej hmoo ntawm ib tug neeg raug mob. Cov tshuab tsis siv neeg tuaj yeem pab tau thiab. Lawv ua rau muaj xwm txheej thiab seem tsawg dua. Nov yog yuav ua li cas tus cwj pwm zoo pab:
Qhov teeb meem |
Kev cuam tshuam |
Cov khoom puas |
Dej thiab kev tuav tsis zoo tuaj yeem poob nyiaj thiab ua rau tsis zoo |
Kev Nyab Xeeb Kev Nyab Xeeb |
Cov coils uas tsis ruaj ntseg yuav yob los yog ntxeev thiab ua rau tib neeg raug mob |
Txo kev puas tsuaj |
Cov tshuab pab nres kev puas tsuaj thiab ua kom cov khoom zoo dua |
Txo kev ua haujlwm |
Tsawg nqa los ntawm tes txhais tau tias tsawg dua kev raug mob thiab raug mob |
Nco ntsoov saib xyuas. Qhia koj pab neeg seb yuav ua li cas. Siv cov cuab yeej zoo txhua lub sijhawm. Qhov no ua rau cov coils muaj kev nyab xeeb thiab koj qhov chaw ua haujlwm muaj zog.
FAQ
Yuav ua li cas tiv thaiv galvanized steel coils los ntawm xeb thaum lub sij hawm cia?
Koj yuav tsum khaws cov coils hauv qhov chaw qhuav, txias nrog cua zoo. Khaws cov av qis. Siv ntoo spacers thiab tsis txhob sib cuag nrog hauv av. Tshawb xyuas cov coils feem ntau kom pom tias muaj dej noo lossis xeb.
Dab tsi yog txoj hauv kev zoo tshaj plaws los hloov galvanized steel coils kom nyab xeeb?
Ib txwm siv cov cuab yeej nqa txoj cai, xws li forklifts lossis cranes. Hnav cov iav tiv thaiv zoo li hnab looj tes thiab cov kaus mom tawv. Tshem cov coils maj mam thiab tsis txhob txav tam sim ntawd. Xyuas kom txoj hauv kev yog qhov tseeb ua ntej koj pib.
Koj puas tuaj yeem khaws cov galvanized steel coils sab nraud?
Koj tuaj yeem khaws cov coils sab nraud rau lub sijhawm luv luv. Siv cov npog tsis muaj dej uas cia cua ntws. Khaws cov coils tawm hauv av nrog pallets. Xyuas lawv ntau zaus rau dej los yog xeb. Txav lawv mus rau hauv kom sai li sai tau.
Vim li cas cov ntawv lo tseem ceeb thaum shipping steel coils?
Labeling pab cov neeg ua haujlwm paub txog lub kauj qhov hnyav, qhov loj me, thiab tuav cov kev xav tau. Cov ntawv ntshiab tiv thaiv kev ua yuam kev thiab xwm txheej. Koj tuaj yeem taug qab cov khoom xa tuaj yooj yim dua nrog cov ntawv zoo.
Koj yuav ua li cas yog tias koj pom xeb ntawm lub kauj?
Tshem lub coil los ntawm kev khaws cia. Ntxuav thaj chaw xeb nrog txhuam txhuam. Tsis txhob siv cov tshuaj hnyav. Xyuas lwm cov coils rau xeb. Txhim kho koj cov xwm txheej khaws cia kom tsis txhob xeb rov qab los.
