Suconvey Roj Hmab

Nrhiav
Kaw lub thawv tshawb nrhiav no.

Polyurethane Conveyor Cleaner

Peb tau hnav abrasive polyurethane siv ntxhua khaub ncaws hniav chaw tsim tshuaj paus hauv Suav teb. Belt cleaners yog cov cuab yeej siv los ntxuav cov siv conveyor. Lawv feem ntau yog mounted rau hauv qab ntawm txoj siv thiab muaj ib tug scraping txiav txim uas tshem tawm cov khoom ntawm txoj siv thaum nws hla. Cov khoom siv ntxhua khaub ncaws yog tsim nyog vim tias lawv tiv thaiv cov khoom siv los ntawm kev tsim cov khoom siv thiab ua rau muaj teeb meem xws li cov teeb meem kev siv txoj siv los yog jams. Qee zaum, lawv tseem tuaj yeem pab txuas ntxiv lub neej ntawm txoj siv conveyor los ntawm kev tiv thaiv kev hnav.

conveyor siv Scrapers & Blades mMANUFACTURER

Ntsiab nta

  • Daim ntawv thov: Siv dav 650mm, 800mm, 1000mm, 1200mm, 1400mm, 1600mm, 1800mm, 2000mm, 2200mm
  • Hnav cov khoom siv polyurethane abrasive
  • Kub ntawm -20 mus rau 120 ° C muaj
  • Hniav yog detachable
  • Ntau yam xim muaj
  • Tsis tshua muaj neeg ruaj khov
  • Siv nyob rau hauv fais fab nroj tsuag, mining, chaw nres nkoj, cement plant, zaub mov Hoobkas

peb kev pab cuam

Suconvey Rubber | Siv lub tshuab nqus tsev loj

Conveyor Siv dav

A

B

C

D

Txoj siv dav dav 650mm

600mm

650mm

700mm

1 pc

Txoj siv dav dav 800mm

762mm

800mm

700mm

1 pc

Txoj siv dav dav 1000mm

914mm

1000mm

700mm

1 pc

Txoj siv dav dav 1200mm

1067mm

1200mm

700mm

2 pcs

Txoj siv dav dav 1400mm

1321mm

1400mm

700mm

2 pcs

Txoj siv dav dav 1600mm

1524mm

1600mm

700mm

2 pcs

Txoj siv dav dav 1800mm

1676mm

1800mm

700mm

2 pcs

Txoj siv dav dav 2000mm

1828mm

2000mm

700mm

2 pcs

Txoj siv dav dav 2200mm

1912mm

2200mm

700mm

2 pcs

Polyurethane cov ntaub ntawv

specification

Polyurethane hom

Txoj siv loj tshaj plaws ceev fpm

4.6m / s, 6m / s, 7.8m / s

Daim ntawv thov kub

Nruam: -30-70 ° C
Kev hloov pauv: -40-85 ° C / -40-120 ° C

Cov menyuam txoj kab uas hla hauv.

300-600mm/500-1000mm/800-1500mm

Hardness

85 ± 2 Ntug A

tensile zog

53

Elongation tawg

614

kua muag zog

108

Deformation tus nqi hauv 23h

30

Springback

20

High Quality Conveyor Belt Cleaner Factory

Raws li cov chaw tsim khoom siv lub tshuab ntxhua khaub ncaws, peb feem ntau tau nug seb yuav xaiv lub tshuab ntxhua khaub ncaws li cas rau ib tus neeg xav tau. Muaj ob peb yam uas yuav tsum tau xav txog thaum koj xaiv. Thawj yog hom conveyor siv koj muaj. Qhov thib ob yog qhov chaw nyob rau hauv uas txoj siv conveyor ua haujlwm. Thiab qhov thib peb yog cov peev nyiaj uas koj muaj rau lub tshuab ntxhua khaub ncaws tshiab.

Hom Kev Siv Lub Tshuab Ntxuav:

> Light Duty Belt Cleaner

> Medium Duty Belt Cleaner

> Heavy Duty Belt Cleaner

> thawj siv lub tshuab ntxhua khaub ncaws

> Secondary belt cleaner

> Tsis siv tshuaj ntxuav tes ua haujlwm

> dry wipe belt cleaner

> V plow siv tshuab ntxhua khaub ncaws

> kuv plaw siv lub tshuab ntxhua khaub ncaws

> H hom Alloy siv ntxhua khaub ncaws

> Kho txoj siv ntxhua khaub ncaws

Suconvey Rubber | Conveyor siv ntxhua khaub ncaws manufacturers
Suconvey Rubber | Conveyor siv hniav manufacturers
Suconvey Rubber | Conveyor siv ntxhua khaub ncaws manufacturers
Suconvey Rubber | Conveyor siv ntxhua khaub ncaws manufacturers
Suconvey Rubber | Conveyor siv hniav manufacturers
Suconvey Rubber | Conveyor siv ntxhua khaub ncaws manufacturers

Hais txog lub tuam txhab

Kev tshaj lij kev cai Polyurethane khoom Factory

Suconvey yog cov chaw tsim khoom lag luam silicone & PU roj hmab cov khoom lag luam uas xaiv cov khoom zoo tshaj plaws los ntawm thoob plaws lub ntiaj teb raws li peb lub sijhawm ntev hauv kev lag luam no tom qab sib piv cov ntaub ntawv los ntawm ntau lub teb chaws thiab cheeb tsam, peb tshem tawm cov ntaub ntawv nrog cov lus tsis zoo thiab cov khoom. .

Pub Dawb Sib Tham

Urethane Parts rau Conveyor System

Peb tau tsim cov khoom zoo, kev ua haujlwm siab Polyurethane rollers, Polyurethane log, Polyurethane roj hmab skirting, Polyurethane screen mats, Polyurethane Blades, Custom Urethane khoom thiab hais txog. Polyurethane yog cov khoom siv ntau yam uas tuaj yeem siv los tsim cov khoom hauv ntau txoj hauv kev. Muaj peb yam tseem ceeb ntawm polyurethane qhov chaw: cam khwb cia, extruded, thiab molded. Txhua hom muaj nws cov txiaj ntsig tshwj xeeb.

Cov Neeg Zoo Siab

Xyoo dhau los, ntau lub lag luam lees paub Suconvey Rubber ua tus thawj coj hauv kev ua tau zoo, kev pabcuam, thiab kev tsim kho tshiab. Peb txaus siab los ua ib qho ntawm cov khoom lag luam roj hmab saum toj kawg nkaus hauv ntiaj teb.

Giff
Giff
University lab
Nyeem ntxiv
Kuv tau ua haujlwm nrog lawv me ntsis dhau ib xyoos tam sim no thiab kuv yuav tsum hais tias kuv txaus siab feem ntau. Cov khoom lag luam tau ua raws li kuv cia siab, nrog rau cov teeb meem tsawg heev. Kev pabcuam cov neeg siv khoom kuj tau teb thiab pab tau. Zuag qhia tag nrho, kuv xav pom zoo rau lawv cov khoom rau lwm tus hauv kev ua lag luam rau cov roj hmab.
Cuam
Cuam
Tsheb manufacturers
Nyeem ntxiv
Qhov no yog Tuam Tshoj chaw tsim khoom uas kuv txaus siab rau.Txawm hais tias COVID-19, kev xa khoom tau qeeb. Tab sis kuv nyiam cov kws ua lag luam zoo li no.
Ariel
Ariel
Lub Hoobkas Khoom Noj
Nyeem ntxiv
Kuv ua tsaug ntau rau Stephanie tau muab cov lus qhia tsim nyog rau kuv qhov project. Kev xa khoom sai sai sai.
codey
codey
Fish Pond Project
Nyeem ntxiv
Kuv tau tshawb fawb ntau ua ntej yuav cov khoom siv roj hmab thiab thaum kawg mus nrog Suconvey Rubber. Kuv zoo siab kuv tau ua! Lawv yog ib tug super txhim khu kev qha tsum thiab cov kws tshaj lij roj hmab.
Previous
Tom ntej no

Lus nug cov lus nug

Ntawm no yog cov lus nug thiab cov lus teb uas nquag nug txog yuav ua li cas thiaj li yuav customized polyurethane khoom

Ib lub tshuab ntxhua khaub ncaws yog ib yam khoom siv uas pab ua kom lub cev siv lub cev huv si thiab tsis muaj cov khib nyiab. Muaj ntau yam txiaj ntsig rau kev siv lub tshuab ntxhua khaub ncaws, suav nrog:

  1. Txo downtime: Ib txoj siv huv huv yuav ua haujlwm tau zoo thiab muaj kev ntseeg siab dua li qhov qias neeg. Qhov no txhais tau hais tias tsawg downtime rau kev tu thiab kho, thiab nce lub sij hawm ntau lawm.
  2. Txhim kho kev nyab xeeb: Ib txoj siv huv huv yuav txo qhov kev pheej hmoo ntawm kev raug mob thiab raug mob. Cov khib nyiab ntawm txoj siv tawv tuaj yeem ua rau plam thiab poob, uas tuaj yeem ua rau raug mob hnyav.
  3. Extended siv lub neej: Ib txoj siv huv huv yuav siv sijhawm ntev dua li qhov qias neeg, vim tias cov khib nyiab tuaj yeem ua rau lub cev tsis zoo thiab tsim kua muag. Qhov no txhais tau tias tsawg dua nyiaj siv rau kev hloov pauv, thiab kev cuam tshuam tsawg dua rau kev tsim khoom.
  4. Txhim kho cov khoom zoo: Txhua yam kab mob ntawm txoj siv conveyor tuaj yeem xaus rau hauv cov khoom kawg.

Siv lub tshuab ntxhua khaub ncaws yog ib qho tseem ceeb ntawm txhua qhov kev siv tshuab. Los ntawm kev ua kom huv si, lawv pab tiv thaiv cov khoom tsim thiab nqa rov qab, uas tuaj yeem ua rau lub sijhawm thauj khoom thiab kev kho kim. Nov yog qee cov lus qhia txog yuav ua li cas tswj koj txoj siv sia thiab ua kom nws ua haujlwm zoo:
1. Txheeb xyuas qhov xwm txheej ntawm cov hniav tsis tu ncua. Yog tias lawv hnav lossis puas lawm, hloov lawv nrog cov tshiab.
2. Khaws cov vaj tse thiab cov kabmob kom huv si thiab tsis muaj cov khib nyiab.
3. Lubricate cov khoom txav tsis tu ncua. Qhov no yuav pab ua kom lub neej ntev ntawm lub tshuab ntxhua khaub ncaws thiab ua kom nws khiav zoo.
4. Tshawb xyuas cov txheej txheem tensioning tsis tu ncua kom paub meej tias nws ua haujlwm zoo.

Kev tuav txoj siv conveyor yog qhov tseem ceeb rau kev ua kom cov khoom tsim tau ntev ntawm koj lub Hoobkas lossis cov khoom tsim hauv pem teb. Kev saib xyuas kom zoo thiab kev pabcuam txoj siv conveyor tuaj yeem tiv thaiv kev puas tsuaj loj thiab raug nqi uas tuaj yeem ua rau muaj kev cuam tshuam loj hauv kev tsim khoom. Nrog ob peb kauj ruam yooj yim thiab kev saib xyuas tsis tu ncua, koj tuaj yeem ua kom koj txoj siv conveyor khiav zoo.

Ib qho tseem ceeb tshaj plaws ntawm kev ua kom koj txoj siv sia nyob rau saum toj yog tshuaj xyuas nws tsis tu ncua thiab daws txhua yam teeb meem tam sim ntawd. Nco ntsoov saib xyuas cov cim ntawm hnav lossis tsim kua muag xws li cov npoo frayed, cov hlua khi hlua khi, lossis lwm yam kev puas tsuaj los ntawm kev siv hnyav. Tsis tas li ntawd, nco ntsoov xyuas qhov nro ntawm txoj siv sia tsawg kawg ib hlis ib zaug kom ntseeg tau tias nws ua haujlwm zoo. Yog tias tsim nyog, kho lossis hloov qhov chaw raws li xav tau.

Kauj Ruam 1: Tshawb xyuas tsis tu ncua
Nws yog ib qho tseem ceeb kom tswj tau txoj siv conveyor kom nws ua haujlwm tau zoo. Thawj kauj ruam ntawm kev saib xyuas txoj siv conveyor yuav tsum yog kev tshuaj xyuas tsis tu ncua. Qhov no yuav pab txheeb xyuas cov teeb meem uas yuav tshwm sim, tso cai rau kev kho sai thiab yooj yim ua ntej yuav muaj kev puas tsuaj ntxiv. Kev tshuaj xyuas yuav tsum tau ua txhua hnub lossis raws li qhov xav tau thoob plaws ib hnub, nyob ntawm seb koj qhov kev xav tau tshwj xeeb.
Lub hom phiaj ntawm cov kev tshuaj xyuas no yog los xyuas kom meej tias tag nrho cov khoom ntawm txoj siv conveyor yog nyob rau saum toj kawg nkaus thiab ua haujlwm zoo. Thaum kuaj xyuas, saib cov cim ntawm kev hnav lossis kev puas tsuaj ntawm tus ncej thiab cov khoom txav, xws li cov hlua thiab cov hlua. Txheeb xyuas cov bolts xoob thiab cov ntsia hlau uas yuav xav tau kom nruj lossis hloov yog tias tsim nyog. Tsis tas li ntawd, tshawb xyuas lub tsav lub cev muaj zog thiab lub zog hluav taws xob kom paub tseeb tias lawv ua haujlwm raug. Thaum kawg, nco ntsoov cov suab nrov txawv txawv los ntawm txoj siv conveyor siv thaum ua haujlwm.

Kauj Ruam 2: Ntxuav thiab Lubricate
Kev tuav txoj siv conveyor yog ib qho tseem ceeb ntawm kev ua kom nws khiav zoo thiab ua haujlwm zoo. Kauj ruam XNUMX nyob rau hauv tus txheej txheem ntawm kev tuav ib tug conveyor siv yog ntxuav thiab lubricate nws. Cov kauj ruam no pab ua kom lub cev tsis muaj av thiab cov khib nyiab, nrog rau txo kev sib txhuam ntawm cov khoom txav.
Txhawm rau pib ntxuav thiab lubricating koj txoj siv conveyor, pib los ntawm kev tshem tawm cov av lossis cov khib nyiab uas tuaj yeem khaws cia rau ntawm nws qhov chaw. Qhov no yuav tsum tau ua tib zoo ua tib zoo nrog ib daim ntaub mos kom tsis txhob ua rau cov khoom puas. Tom qab qhov no tau ua tiav, siv cov tshuaj ntxuav me me thiab dej sov kom tshem tawm cov stains lossis cov av. Thaum tag nrho cov chaw sab nraud tau raug ntxuav lawm, txav mus rau lubricating cov khoom tseem ceeb xws li bearings, gears, chains thiab sprockets. Qhov no yuav pab tiv thaiv kom tsis txhob muaj corroded thaum lub sij hawm vim kev sib txhuam los yog dej raug.

Kauj Ruam 3: Kho lossis hloov cov khoom puas
Kev tuav txoj siv conveyor yog qhov tseem ceeb ntawm kev ua kom cov kab ntau lawm khiav ntawm nws qhov ua tau zoo. Hauv Kauj Ruam 3, nws yog lub sijhawm los kho lossis hloov cov khoom puas. Txawm hais tias kev puas tsuaj yog tshwm sim los ntawm kev hnav thiab tsim kua muag txhua hnub lossis los ntawm kev sib tsoo uas tsis tau xav txog, muaj cov khoom hloov kho kom raug yuav pab kom ntseeg tau tias lub sijhawm poob qis qis.
Ua ntej hloov ib feem, nws yog ib qho tseem ceeb kom ua tib zoo txheeb xyuas qhov chaw ntawm kev puas tsuaj thiab tshuaj xyuas seb puas tsim nyog kho lossis hloov kho. Yog tias koj tsis paub meej txog dab tsi yuav tsum tau ua, hu rau tus kws tshaj lij uas tuaj yeem qhia txog cov kev coj ua zoo tshaj plaws rau kev saib xyuas txoj siv conveyor. Thaum koj tau txiav txim siab seb qhov kev daws teeb meem twg yuav zoo tshaj plaws rau koj qhov xwm txheej, koj tuaj yeem txuas ntxiv nrog kev kho lossis hloov pauv raws li xav tau.

Kauj Ruam 4: Ua Kev Kho Kom Zoo
Cov kauj ruam plaub hauv kev tswj xyuas txoj siv conveyor yog los hloov kho. Kev kho qhov nro ntawm txoj siv conveyor kom zoo pab kom nws khiav tau zoo thiab nyab xeeb li sai tau. Tus nqi ntawm qhov nro xav tau rau kev ua haujlwm zoo yuav nyob ntawm cov qauv siv tshwj xeeb, yog li cov neeg siv yuav tsum xub xa mus rau cov chaw tsim khoom cov lus qhia uas yuav muab tau.
Thaum kho qhov nro, nws yog ib qho tseem ceeb uas yuav tsum tau them sai sai rau qhov slack nyob rau hauv lub kaw lus thiab ntau npaum li cas yog siv rau lub tshuab rub. Yog tias muaj me ntsis slack, ces tuaj yeem hnav thiab tsim kua muag ntau dhau ntawm ob txoj siv conveyor thiab nws cov khoom txuam. Kev slack ntau dhau tuaj yeem ua rau muaj teeb meem nrog kev xa hluav taws xob lossis teeb meem sib dhos. Tsis tas li ntawd, ib zaug tau hloov kho, lawv yuav tsum tau saib xyuas kom tsis tu ncua kom tswj tau qhov ua tau zoo tshaj plaws nyob rau lub sijhawm.

Kauj Ruam 5: Saib Xyuas Kev Ua Haujlwm
Thaum nws los txog rau kev tuav ib txoj siv conveyor, qhov thib tsib thiab theem kawg yog los saib xyuas nws cov kev ua tau zoo. Kev saib xyuas lub tshuab ua haujlwm tsis tu ncua yog qhov tseem ceeb txhawm rau txhawm rau txheeb xyuas cov teeb meem muaj peev xwm ua ntej lawv tshwm sim lossis ua phem dua. Cov kauj ruam no tuaj yeem pab xyuas kom meej tias koj txoj siv conveyor txuas ntxiv ua haujlwm zoo txhua lub sijhawm.
Ua ntej, koj yuav tsum tsim kom muaj qhov ntsuas kev ua tau zoo uas koj yuav siv rau koj txoj siv conveyor. Feem ntau hais lus, cov no yog yam xws li kev ceev, kev siv hluav taws xob, thiab kev muaj peev xwm dhau los. Thaum koj tau txheeb xyuas cov ntsiab lus koj xav saib xyuas dab tsi, nws yog ib qho tseem ceeb uas koj tsis tu ncua xyuas txhua qhov taw qhia tawm tsam qhov kev xav tau rau qhov raug. Yog tias ib qho metrics poob sab nraud ntawm lawv qhov ib txwm muaj ces nws yuav teeb liab teeb meem nrog rau txoj siv conveyor uas xav tau kev daws teeb meem. 

Xaus: Kev Kho Qhov Tseem Ceeb
Conveyor siv yog qhov tseem ceeb rau ntau yam kev lag luam. Txhawm rau kom lawv ua haujlwm kom raug, yuav tsum muaj kev saib xyuas tsis tu ncua. Kev saib xyuas kom zoo tuaj yeem ua kom ntseeg tau tias txoj siv conveyor siv tau zoo thiab ua haujlwm zoo. Tsab ntawv xov xwm no tau tshawb nrhiav qhov tseem ceeb ntawm qhov tseem ceeb ntawm kev saib xyuas txoj siv conveyor thiab yuav ua li cas nws tuaj yeem pab kom ntev lub neej ntawm lub cev.
Kev ntxuav thiab tshuaj xyuas yuav tsum tau ua tsis tu ncua, ua tib zoo saib xyuas cov cim ntawm kev hnav lossis kev puas tsuaj. Tshawb xyuas thiab kho cov qib nro, nrog rau cov ntsiab lus lubrication, tseem yuav tiv thaiv kev hnav los ntawm kev sib txhuam ntawm cov khoom. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qee lub ntsiab lus yuav xav tau hloov lub sijhawm kom muaj txiaj ntsig zoo. Thaum kawg, muab cov hlua khi nrog cov hlua khi kom zoo yuav txo qis ntawm cov khoom siv uas tuaj yeem ua rau txoj siv tsis ua haujlwm yog tias tsis tau kuaj xyuas.

  1. Thov lees paub koj qhov kev thov nug raws li qhov muaj txiaj ntsig.
  2. Thov ntsuas koj daim ntawv thov qhov loj me thiab suav qhov kom muaj nuj nqis. Yog tias koj muaj duab kos, zoo dua xa tuaj rau peb. Yog tias koj tsis muaj daim duab kos, thov qhia rau kuv koj daim ntawv thov thiab qhia kuv qhov twg koj xav siv nws, zoo dua kom paub cov qauv khoom siv, peb tuaj yeem ua cov duab kos lossis cov kev daws teeb meem rau koj.
  3. Peb yuav ua cov duab kos raws li koj xav tau lossis xav tau cov khoom duab lossis duab.
  4. Thov paub meej tias qhov loj me thiab ntau npaum li cas, tshwj xeeb tshaj yog qhov tshwj xeeb ntawm qhov koj xav tau kom kuv tuaj yeem muab cov lus qhia meej tshaj plaws thiab cov lus qhia.
  5. Ua cov qauv raws li koj qhov kev xav tau thiab daim ntawv thov.
  6. Kev sim thiab paub meej cov qauv thiab txhim kho yog tias tsim nyog.
  7. Muab kev txiav txim thiab npaj cov khoom.
  8. Npaj cov khoom xa tuaj tom qab tawm ntawm lub tsev rau khoom kuaj.
  9. Kev pab cuam tom qab muag ua raws cov khoom ib txwm.

Ua ntej yuav khoom: Muab cov lus qhia tshaj lij tshaj plaws rau kev xaiv cov khoom tsim nyog lossis kev pabcuam.

Tom qab kev yuav khoom: Warranty rau 1 lossis 2 xyoo raws li daim ntawv thov thiab koj xav tau. Txhua qhov kev puas tsuaj yuav raug kho lossis hloov tshiab thaum lub sijhawm lav ntev npaum li siv cov khoom raws li txoj hauv kev thiab ib txwm coj ntawm cov khoom sib nrug los ntawm kev tawg los ntawm tus kheej vim li cas.

Tom qab-muag: Ib txwm muab cov lus qhia tshaj lij tshaj plaws rau cov khoom lag luam ua haujlwm, muab kev txhawb nqa rau cov neeg siv khoom lag luam txhim kho ntawm tus kheej lub lag luam lag luam. Ib txwm kho kom ntev npaum li peb khaws kev koom tes.

Yog lawm, peb tuaj yeem muab cov qauv uas twb muaj lawm dawb, tab sis tus nqi qis me me rau kev tsim qauv, cov neeg siv khoom tshiab yuav tsum them tus nqi xa khoom, tus nqi coj mus kuaj yuav raug txiav tawm ntawm cov nyiaj them rau kev txiav txim. 

Rau cov khoom uas twb muaj lawm, nws yuav siv sij hawm 1-2 hnub; Yog tias koj xav tau koj tus qauv tsim, nws yuav siv sijhawm 3-5 hnub nyob ntawm koj cov ntsiab lus tsim. 

Peb muaj peb lub koom haum QC txhawb nqa nrog pab pawg QC tshaj lij. "Quality First, Cutomer Focus" yog peb txoj cai tswjfwm zoo, thiab peb muaj Kev Tswj Xyuas Zoo Tshaj Plaws / Hauv Kev Tswj Xyuas Zoo / Tawm-mus Kev Tswj Xyuas Zoo thoob plaws hauv peb lub Hoobkas ua haujlwm.

Txhawm rau tiv thaiv tag nrho cov saum toj no huab ua haujlwm ib puag ncig yuav tsum, Suconvey yuav tsum xaiv cov khoom zoo tshaj plaws uas tsis tuaj yeem tsim cov khoom lag luam zoo silicone tab sis kuj muaj ntau yam zoo xws li yuav tsis hloov mus rau daj txawm tias siv tau ntev, yuav tsis ua nkig yooj yim tawg, yuav tsis ntsws los yog nthuav txawm tias siv tau ntev, tseem yuav tsis yooj yim hloov cov lus qhia los cuam tshuam koj lub tshuab ua haujlwm. Tsuas yog raws li kev tswj hwm zoo saum toj no, cov khoom siv silicone tuaj yeem muab kev pabcuam rau lub sijhawm ntev kom txuag koj lub zog los hloov lawv thiab koj lub sijhawm tos kev hloov pauv kom cov khoom tsim tau siab.

Tau txais koj cov kev xav tau nrog peb tus kws tshaj lij

Suconvey Rubber tsim cov khoom siv roj hmab ntau yam. Los ntawm cov khoom lag luam yooj yim mus rau cov ntawv txheeb xyuas kom haum rau cov neeg siv khoom tshwj xeeb.