Cov txheej txheem:

Welded Vov Tsev TechnoNIKOL, Nqe Lus Piav Qhia, Tus Yam Ntxwv Thiab Tshuaj Xyuas, Nrog Rau Kev Thev Naus Laus Zis Ntawm Cov Khoom Siv
Welded Vov Tsev TechnoNIKOL, Nqe Lus Piav Qhia, Tus Yam Ntxwv Thiab Tshuaj Xyuas, Nrog Rau Kev Thev Naus Laus Zis Ntawm Cov Khoom Siv

Video: Welded Vov Tsev TechnoNIKOL, Nqe Lus Piav Qhia, Tus Yam Ntxwv Thiab Tshuaj Xyuas, Nrog Rau Kev Thev Naus Laus Zis Ntawm Cov Khoom Siv

Video: Welded Vov Tsev TechnoNIKOL, Nqe Lus Piav Qhia, Tus Yam Ntxwv Thiab Tshuaj Xyuas, Nrog Rau Kev Thev Naus Laus Zis Ntawm Cov Khoom Siv
Video: Join Materials that Otherwise Could Not Be Welded 2024, Plaub Hlis Ntuj
Anonim

Cov tso tawm zaj duab xis "Technonikol" - yuav ua li cas siv nws rau lub ru tsev

Tiaj tus welded ru tsev
Tiaj tus welded ru tsev

Kev xaiv ntawm lub ru tsev welded yog lub luag haujlwm kev txiav txim siab, vim hais tias xws li cov cuab yeej xav tau tus cwj pwm tshwj xeeb rau nws cov chaw tsim khoom. Txawm tias ib lub pob zeb me me uas tau poob hauv qab zaj duab xis tuaj yeem negate txhua yam kev mob siab los nruab rau kev sib tshooj. Qhov xwm txheej yuav raug teeb meem ntxiv los ntawm qhov nyuaj ntawm kev nrhiav qhov chaw vuab tsuab. Yog li ntawd, yuav tsum muaj tsawg kawg yog ib tus neeg nyob ntev ntawm cov ru tsev hauv pab pawg koom nrog hauv kev teeb tsa ntawm lub ru tsev welded.

Cov Ntsiab Lus

  • 1 Welded vov tsev "Technonikol" - cov yam ntxwv ntawm cov ntaub ntawv

    1.1 Duab ntu: lub vov tsev mos

  • 2 Niaj hnub nimno yob vov vov tsev cov khoom ua haujlwm li cas

    2.1 Cov hom kev tso cov yeeb yaj kiab "TechnoNIKOL"

  • 3 TechnoNIKOL tso nyiaj cov cuab yeej siv vov tsev

    • 3.1 Yees duab: yuav ua li cas nruab ru tsev weldable tiaj tiaj
    • 3.2 Yuav tsum muaj saum npoo rau lub ru tsev welded
    • 3.3 Kev tsim cov khaub noom vov vov tsev nrog TechnoNIKOL zaj duab xis
    • 3.4 Daim Video: khoom siv ntawm lub vov vov ib lub vov nyob hauv qab hlau weld-on-ru tsev
  • 4 thev naus laus zis ntawm nruab xov lub ru tsev welded
  • 5 Yuav ua li cas xaiv cov khoom haum rau lub ru tsev

    5.1 Video: cov yam ntxwv ntawm lub ru tsev sib tshooj

  • 6 Cov neeg siv tawm tswv yim hais txog kev siv cov yeeb yaj kiab overlay

Welded ru tsev "Technonikol" - cov yam ntxwv ntawm cov ntaub ntawv

Lub vov npog ua tiav lub luag haujlwm tiv thaiv, tiv thaiv lub tsev ntawm nag lossis daus thiab cua. Yog li ntawd, cov yam ntxwv tseem ceeb ntawm lub tsho tiv no tiav yuav tsum nruj thiab hnav tau ntev.

Cov kev xav tau no tau ua tiav tag nrho los ntawm cov ntaub ntawv yob "TechnoNIKOL", uas tau txawv qhov yooj yim ntawm kev teeb tsa thiab kev ntseeg tau thaum lub sijhawm ua haujlwm. Niaj hnub nimno polymer-bitumen daim nyias nyias yog pom los ntawm lub siab nruj thiab tuaj yeem sib txawv hauv cov yam ntxwv kev ua haujlwm thiab kav ntev, thiab qhov no yuav tsum tau ua rau hauv qhov kev xaiv xaiv.

Kev paub zoo nkauj vov tsev yog cov tsim ntawm cov khoom siv ntawm hom no. Nws yog tsim los siv cov ntawv me ntsis-impregnated cardboard. Cov khoom siv tsis yog qhov ruaj khov, thiab nws cov teeb tsa rau lub ru tsev yog fraught nrog cov teeb meem nyuaj. Yog li ntawd, tam sim no, tsis tshua muaj neeg siv txoj haujlwm vov tsev. Tus bituminous vov tsev cov khoom tawg yooj yim, thiab cov duab los qhia thaub qab yog nws lwj. Nws feem ntau yog siv rau txheej txheem dej.

Yob ntawm cov khoom vov tsev
Yob ntawm cov khoom vov tsev

Cardboard thiab bitumen muab kev txhim kho dej tsis zoo ntawm lub ru tsev

Cov cuab yeej siv tam sim no rau kev tsim cov ntawv vov dej tsis tso cai pom zoo siv cov fiberglass thiab cov khoom siv hluavtaws ntawm lub zog muaj zog raws li lub hauv paus, thiab ntxiv rau cov khoom hloov kho rau cov bitumen muab nws cov haujlwm ntxiv rau kev ua haujlwm.

Niaj hnub nimno multilayer insulating ntaub ntawv los ntawm TechnoNIKOL
Niaj hnub nimno multilayer insulating ntaub ntawv los ntawm TechnoNIKOL

Cov khoom siv tso siab kom tiv thaiv lub vov ncuav mog qab zib

Cov tub yees duab duab: ru tsev mos

Hardfaced ru tsev "Technonikol"
Hardfaced ru tsev "Technonikol"
Cov txheej txheej txheej ntoo thooj li vuas luaj yog qhov tsim nyog rau kev txhim kho lub vov ru tsev
Tus neeg ua haujlwm muab cov ntaub ntawv vov tsev ntawm cov plywood puag
Tus neeg ua haujlwm muab cov ntaub ntawv vov tsev ntawm cov plywood puag

Fusion ntawm txheej txheej tiv thaiv ntawm lub ru tsev tiaj tus yuav tsum ua rau ntawm qhov chaw huv

Kev vuam cov txheej txheem nrog lub thawv siv roj
Kev vuam cov txheej txheem nrog lub thawv siv roj
Technonikol cov yeeb yaj kiab muab cov ntaub thaiv npog zoo
Cov mos mos ntawm lub ru tsev tiaj tus
Cov mos mos ntawm lub ru tsev tiaj tus
Cov vov tsev mos tuaj yeem pab ntev txog 35 xyoos

Niaj hnub nimno yob vov vov vov tsev cov ntaub ntawv ua haujlwm li cas

Txoj kev yob sib dhos-rau-yob weldment muaj cov txheej hauv qab no:

  1. Fiberglass lossis polyester li thaub qab ua. Lawv tau ua kom lub zog muaj zog, tsis yog yuav lwj thiab ruaj khov. Lawv cov kev pab cuam lub neej ncav cuag 15-35 xyoos yam tsis poob lawv tus yam ntxwv tseem ceeb.

    Iav daim ntaub rau tsim tawm ntawm cov ntawv sau
    Iav daim ntaub rau tsim tawm ntawm cov ntawv sau

    Cov yeeb yaj kiab "Technonikol" yog tsim nyob ntawm qhov kev ntseeg txhim khu - fiberglass

  2. Polymer bitumen txheej. Nws yog thov rau ob tog. Cov tshuaj ntxiv ntawm cov yas ua kom sib zog siab lub zog thiab elasticity rau lub impregnation, vim qhov khoom ntawm cov khoom tsis tawg thaum rhuab thiab txias dua qhov kub ntau. Qhov no tso cai nws tsis poob nws cov kev ua tau zoo rau lub sijhawm ntev.
  3. Cov txheej pov thaiv ntawm slate lossis granite chips. Nyob sab ua ntej. Nws xav tau txhawm rau txhawm rau tiv thaiv lub ntsej muag los ntawm kev cuam tshuam ntawm qhov xwm txheej hauv ntiaj teb thiab hluav taws xob ultraviolet.
  4. Tiv thaiv zaj duab xis. Nws yog glued rau sab tom qab ntawm lub yob. Pab rau txhawm rau tiv thaiv cov nplaum thaum lub sijhawm khaws cia thiab kev thauj mus los. Cov yeeb yaj kiab tiv thaiv qis dua yuav tsum tau muab tshem tawm ua ntej kev teeb tsa ntawm lub ru tsev nto. Hauv cov ntaub ntawv niaj hnub, txheej txheej melting siv, uas tsis tas yuav tsum tau muab tshem tawm.

    Cov qauv ntawm cov khoom tso
    Cov qauv ntawm cov khoom tso

    Bikrost nti tawm zoo insulates lub ru tsev thiab muaj ntau yam xim

Hom kev tso cov yeeb yaj kiab "Technonikol"

Ntau cov khoom lag luam yog tsim nyob hauv Technonikol cov cim kev lag luam, suav nrog lub vov tsev mos. Cov ntaub ntawv tseem ceeb uas yuav tau txais welded yog:

  1. Kev khwv nyiaj txiag-chav kawm sib xyaw, uas tau sawv cev los ntawm zaj duab xis bikrost. Qhov kev pab cuam lub neej ntawm cov khoom siv no yog txiav txim siab los ntawm cov tsim khoom hauv 10 xyoo. Polymer-bitumen daim nyias nyias ntawm cov hoob kawm no yog npaj rau cov txheej txheem dej thaiv tsev thiab cov qauv vaj tsev, kho cov chaw saum ru tsev, txhim kho vapor thaiv thiab txheej sab saud ntawm lub ru tsev. Rau lub hauv paus ntawm cov yeeb yaj kiab zoo li no, daim iav iav yog siv rau hauv daim ntawv perforated lossis tsis tu ncua, zoo li polyester fiber lossis ncej fiberglass. Qhov dav ntawm daim ntawv thov ntawm bikrost yog txiav txim siab los ntawm hom txheej txheej tiv thaiv, rau qhov twg shale lossis gravel, xuab zeb lossis polyester zaj duab xis tau siv. Txhim kho cov khoom siv yog ua tau rau hauv txhua yam huab cua.

    Bikrost zaj duab xis los ntawm Technonikol
    Bikrost zaj duab xis los ntawm Technonikol

    Cov khoom siv nyiaj txiag rau kev tsim cov txheej txheem kev lag luam siab siab zoo - bikrost

  2. Cov qauv lag luam thiab cov khoom lag luam hauv cov TechnoNIKOL kab yog sawv cev los ntawm Uniflex zaj duab xis. Cov khoom siv no yog tsim tawm uas siv cov ntawv bitumen ntawm SBS chav kawm nrog lub hauv paus ntawm iav ntaub los yog polyester xov. Lub tsho txheej sab nraud tuaj yeem ua tau ntawm cov ntaub ntawv polymer, zoo ib yam li tiv thaiv txheej txheej. Siv cov nplaum zoo ntawm cov cuab yeej ntawm SBS bitumen, Uniflex yog dav siv rau cov dej thaiv tsis ua hauj lwm nyob rau hauv txoj hauj lwm ntsug, kab rov tav lossis inclined. Cov qib siab ntawm kev nplaum muaj kev tswj xyuas thaum siv rau ntawm txhua qhov chaw, suav nrog hlau lossis ua vaj tse. SBS mastics yog siv tau nrog oxidized bitumen ru tsev, uas tso cai rau lawv siv thaum coj kev ua haujlwm kho ntawm lub ru tsev qub los ntawm kev sib tov . Uniflex haum rau kev siv hauv txhua qhov chaw huab cua.

    Uniflex cov khoom kab ntawm Technonikol
    Uniflex cov khoom kab ntawm Technonikol

    Cov chaw tsim khoom "Technonikol" muab cov kev xaiv dav ntawm cov khoom siv rau lub ru tsev

  3. Isoplast zaj duab xis yog ib qho ntawm cov khoom siv feem ntau tsim los ntawm TechnoNIKOL. Nws yog tus cwj pwm los ntawm: kev nruj txog qhov cuam tshuam nrog kev ya raws, lub zog ntawm lub zog loj, ruaj khov (nws tsis deform thaum lub sijhawm ua haujlwm ntev), thiab nws tseem muaj qhov kub tsis kam, nrog rau qhov kub txog li 120 degrees. Isoplastic hauv ob sab phlu kev hloov kho muaj nyob rau hauv tuab hauv ntau ntawm 1.5-5.5 hli. Cov khoom siv rau lub topcoat muaj cov tuab ntawm 4.5-5.0 hli thiab muab nrog hmoov av ntawm ntau feem. Elastic bituminous phau ntawv tuaj yeem siv rau 35 xyoo yog tias kev teeb tsa tau ua tiav. Tsis poob nws cov khoom hauv cov kev hloov pauv ntawm qhov kub thiab txias. Isoplast tsis raug rau kev lom neeg, mosses lossis lichens tsis loj hlob ntawm nws, cov kab mob tsis ua kom ntau ntxiv thiab pwm tsis ua. Cov cuab yeej thiab lub zog ntawm cov yeeb yaj kiab zoo no ua rau nws muaj peev xwm nqa tawm cov haujlwm ua haujlwm nrog lawv ntawm qhov kub txog li 20 minus.

    Cov neeg tseem ceeb vov cov ntaub isoplast los ntawm Technonikol
    Cov neeg tseem ceeb vov cov ntaub isoplast los ntawm Technonikol

    Isoplastic vov tsev kav ntev txog 35 xyoo

TechnoNIKOL tso nyiaj cov cuab yeej siv vov tsev

Kev tso lub ru tsev mos ua los ntawm cov khoom siv los ntawm cov chaw tsim khoom no tuaj yeem ua rau kev kho tshuab lossis los ntawm fusing ntawm lub hauv paus npaj tau.

Thawj tus yog siv rau npog vov tsev. Cov xov txheej kawg yog tsau nrog polymer-bitumen mastics thiab galvanized steel rau tes.

Cov txheej txheem fusion yog siv thaum txhim kho cov ru tsev tiaj tiaj thiab muaj nyob rau hauv melting bitumen txheej nrog lub roj hlawv nrog tib lub sijhawm yob nrog chais rau saum npoo yuav tsum tau npog. Kev tso haujlwm yog ua tiav los ntawm qhov qis tshaj ntawm lub ru tsev. Cov no feem ntau yog qhov air aav.

Kho kom zoo tso ntawm cov ntawv yob ntawm lub vov tsev mos
Kho kom zoo tso ntawm cov ntawv yob ntawm lub vov tsev mos

Cov ntawv yob rau hauv qhov chaw insulated

Yees duab: yuav ua li cas teeb tsa lub ru tsev weldable tiaj

youtube.com/watch?v=wofS8o7z9E4

Qhov yuav tsum muaj rau saum npoo rau lub ru tsev welded

Lub hauv paus rau kev txhim kho xws li saum toj no yuav tsum ua tau raws li qee qhov kev xav tau. Cov vuas vov qis thiab tiaj qis tshaj plaws feem ntau teem rau ntawm pob zeb hauv av. Qhov yuav tsum ua rau lawv nto yog raws li hauv qab no:

  1. Cov cua sov pob qij txha yuav tsum muab nruab nruab nrab ntawm lub ru tsev pob zeb kom them nyiaj rau kev nthuav dav thaum cua sov thaum ua haujlwm. Qhov loj ntawm qhov sib txawv yuav tsum muaj tsawg kawg 5 hli, qhov sib txawv yuav tsum tau sau nrog cov khoom siv yas thaiv dej.
  2. Nyob rau saum npoo ntawm lub ru tsev yuav tsum tsis muaj qhov tawm tsam nrog qhov siab ntawm ntau dua 5 hli, tab sis tsuas yog tus du. Txhua lub ntsiab lus saum npoo yuav tsum tau txiav cov tshuab qog.
  3. Cov pob zeb tawg lossis hnab khib nyiab yuav tsum tau ua tib zoo kho nrog pob zeb xuab zeb-xuab zeb tom qab kev txiav ua ntej thiab ntxuav ntawm kev puas tsuaj.
  4. Tsis pub hnav roj ntxiv. Yog tias pom, lawv yuav tsum tau muab tshem tawm nrog cov kuab tshuaj.

Cov ntawv txheeb ntawm cov plywood-resistant pev, OSB thiab lwm cov ntaub ntawv zoo sib xws feem ntau yog siv los ua lub hauv paus rau saum toj. Plating lub ru tsev tawv tawv rau ntawm cov tsev zoo no yog qhov txaus ntshai vim qhov muaj qhov pheej hmoo ntawm hluav taws. Yog li no, ua ntej pib ua haujlwm, ib qho kev kho kom huv sab nrog cov nplaim hluav taws retardant tebchaw yog qhov yuav tsum tau ua. Ua ntej nqa tawm lub teeb tsa, nws raug nquahu kom saib xyuas lub xub ntiag ntawm lub tshuab tua hluav taws.

Ua ntej pib lub fusion ntawm lub vov tsev cov ntaub ntawv uas, lub saum npoo ntawm lub ru tsev yuav tsum tau huv huv ntawm hmoov av thiab khib nyiab siv lub tshuab nqus tsev ua haujlwm.

Kev ua haujlwm tuaj yeem ua kom qhuav, huab cua txias ntawm kub ntawm -5 txog +25 degrees. Lub ru tsev saum npoo yuav tsum huv. Cov huab cua zoo tshaj plaws muaj 6 degrees nrog cov av noo txog 80%. Yog tias txoj cai no tsis pom thaum lub sijhawm ua haujlwm, nws raug tso cai siv lub tshuab ziab plaub hau rau kev ua cua sov ntxiv ntawm cov paib.

Fusion Ru Tsev vov tsev ncuav qab zib
Fusion Ru Tsev vov tsev ncuav qab zib

Cov sib xyaw ntawm lub vov vov ncuav mog qab zib muaj xws li rwb thaiv tsev, pa thiab zaj duab xis tsis muaj dej

Tsim ntawm lub vov tsev ncuav mog qab zib nrog TechnoNIKOL zaj duab xis

Lub vov vov ncuav mog qab zib yog cov txheej txheem ntau txheej tsim kom ntseeg tau tiv thaiv sab hauv lub tsev los ntawm nag lossis daus. Nws yog tsim raws li cov yam ntxwv ntawm lub hauv paus. Rau lub ru tsev ntoo, cov khoom qab zib tuaj yeem ua cov hauv qab no (hauv toj mus rau hauv qab):

  1. Cov ntaub mos mos mos ru tsev "Technonikol".
  2. Muaj txheej nrog chipboard, plywood lossis OSB.
  3. Sheathing, tus tsim ntawm uas nyob ntawm seb hom ntawm txheej dhau los.
  4. Kev tiv thaiv dej tsis qab los sis polyethylene zaj duab xis.
  5. Ib txheej txheej ntawm cov khoom siv ntxig nrog cov tuab uas yog nyob ntawm huab cua huab cua ntawm thaj chaw tsim kho.
  6. Sab hauv lathing rau thermal rwb thaiv tsev.
  7. Vapor barrier khoom siv.

Thaum tsim lub ru tsev ntawm cov pob zeb ua kev vov tsev, pob zeb vov tsev yog tsim nyob rau hauv txoj kev sib txawv:

  1. Topcoat los ntawm TechnoNIKOL.
  2. Txoj kab nqes (kev tsim cov khoom lag luam lav ntawm txoj hauv kev)) siv nthuav cov av nplaum qhob lossis cement-sand screed.
  3. Kev ntsuas cua sov.
  4. Vapor barrier membrane.

    Pitched vov tsev vov ncuav qab zib txwm
    Pitched vov tsev vov ncuav qab zib txwm

    Weldable vov tsev yog tsuas yog ua tau zoo thaum muaj lub vov nqaj qaum

Yees duab: cov cuab yeej ntawm lub vov viav vias nyob hauv qab ru tsev welded

Weldable ru tsev mounting tshuab

Kev txhim kho ntawm yob lub tsho tiv no sab saum toj yog ua los ntawm melting qhov qis polymer-bitumen txheej thiab dov nws mus rau qhov chaw. Rau qhov no, cov pa roj tshwj xeeb tau siv. Raws li cov bitumen txheej softens, yob tau dov mus rau saum npoo nrog sib tshooj ntawm 50 hli. Txhawm rau tswj cov qib ntawm cov pob txha mos, cov qauv duab hluav taws xob yog thov rau qis qis tiv thaiv txheej ua los ntawm polymer zaj duab xis. Thaum nws cov duab pib distort, lub bitumen ntawm qis txheej yog softened txaus rau fastening. Kev ua haujlwm yog nqa tawm hauv cov txheej txheem hauv qab no:

  1. Txhawm rau kom ncaj rau lub hniav ntxiv tom qab ntawm qhov chaw teeb tsa, yob yuav tsum xub muab dov tawm. Cov khoom siv mam li muab tso rau ntawm cov chaw txiav txim siab ru tsev. Thaum lub sijhawm teeb tsa, nws yog qhov yuav tsum tau muab kev sib tshooj rau ntawm cov chaw ntsug - cov phab ntsa ntawm parapets, ntawm cov pob qij txha ntawm lub ru tsev nrog lub qhov dej tso pa tawm, pa taws thiab lwm yam txheej txheem ntawm sab hauv.
  2. Yob txog lub yob thiab pib fusing. Cov txheej txheem muaj nyob rau hauv dov lub vev xaib "ntawm nws tus kheej" - yog li nws yooj yim dua los tswj cov degree ntawm qhov cua sov saum npoo.

    Fusion zaj duab xis "TechnoNIKOL"
    Fusion zaj duab xis "TechnoNIKOL"

    Nws yooj yim rau yaj lub vas sab thaum tsiv "ntawm koj tus kheej"

  3. Kev txav ntawm cov roj hlawv cov roj yuav tsum tsis sib thooj thiab du; kev saib xyuas tshwj xeeb yuav tsum tau them rau qhov chaw uas qhov sib tshooj dhau los.
  4. Cov kev taw qhia ntawm cov nplaim hluav taws yuav tsum xyuas kom muaj cua sov ntawm ob qho kis tau thiab saum npoo ntawm lub hauv paus.
  5. Yog tias nws yuav tsim nyog los ua cov ntawv lo rau ntawm kev hnav khaub ncaws, kev tsuas yog qis dua me ntsis ntawm cov txheej txheej yuav tsis txaus. Koj yuav tsum xub ua kom sov saum npoo, tom qab ntawv yob nws nrog lub log kom txog thaum nws tso tag nrho rau hauv bitumen. Tom qab ntawd, koj tuaj yeem txuas ntxiv pw li qub.
  6. Ua ntej fusing lub ru tsev, saum npoo ntawm pob zeb pob zeb pob zeb pob zeb yuav tsum tau muab luam sau tseg. Hauv cov khw muag khoom, koj tuaj yeem yuav cov khoom sib xyaw nrog lossis npaj nws tus kheej los ntawm kev sib xyaw mum nrog mum nrog roj hauv qhov sib piv 1: 3. Tus deg kho cov khoom pov thawj muaj zog ntau dua adhesion rau cov khoom uas ua welded.

    Cov khoom rau saum npoo av hauv qab zaj duab xis "TechnoNIKOL"
    Cov khoom rau saum npoo av hauv qab zaj duab xis "TechnoNIKOL"

    Cov kev kho mob Primer kho kom zoo rau kev ua kom haum thaum fused zaj duab xis

Cov txheej txheem zoo li no tuaj yeem siv ob qho tib si rau lub ru tsev ib txwm thiab rau kev siv dag zog. Lub neej ua haujlwm ntawm qhov chaw nyob nws txawv ntawm 10 txog 35 xyoo, nyob ntawm cov khoom siv uas siv.

Yuav ua li cas xaiv cov khoom haum rau koj lub ru tsev

Qhov zoo ntawm lub ru tsev nyob ntawm kev xaiv ntawm cov khoom. Txhua qhov TechnoNIKOL cov khoom muaj ntawv pov thawj raws li ISO 9001. Qhov no qhia tau lub siab ruaj khov ntawm cov khoom no, uas ua tau raws li European cov qauv.

Thaum nriav khoom, koj yuav tsum them sai sai rau nws daim ntawv lo, uas yuav pab koj xaiv zaj duab xis kom raws li lub hom phiaj ntawm lub ru tsev. Cov tsiaj ntawv txhais tau li hauv qab no:

  • "K" - cov khoom siv nrog ntxhib-hnav tsoo;
  • "M" - cov khoom lag luam nrog cov hmoov av zoo;
  • "P" - qhia tias muaj cov zaj duab xis tiv thaiv;
  • "B" - rau cov khoom lag luam nrog lub tso pa tawm;
  • "C" yog zaj duab xis nws tus kheej nplaum.

Video: cov yam ntxwv ntawm lub ru tsev sib tshooj

Cov neeg siv cov lus taw qhia txog kev siv cov yeeb yaj kiab fused

Cov khoom lag luam Technonikol muaj ntawv pov thawj thiab ua raws li European cov qauv (ISO 9001). Qhov no ib leeg hais txog qhov zoo ntawm cov khoom. Yog li ntawd, tau them nyiaj them sai sai rau lub thev naus laus zis ntawm cov khoom siv txheej, ib tus tuaj yeem paub tseeb tias nws cov kav ntev thiab cov khoom zoo.

Pom zoo: