1. Thaum siv PVC hose ntau lawm kab, qee qhov chaw hnyav, xws li lub taub hau tshuab, lub tank dej, pwm thiab lwm yam, yuav tshwm sim me ntsis yas residue, thiab yuav muaj cov seem hauv pwm thiab lub taub hau tshuab. thaum lub sij hawm molding mus rau qhov kev kaw, yog li thawj txoj haujlwm tom qab kaw yog tswj cov khoom no.
2. Thaum tswj cov khoom siv, peb yuav tsum tau xyuam xim kom tsis txhob txuas cov khoom siv nrog cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob yuav tsum raug txiav kom ntseeg tau tias muaj kev nyab xeeb ntawm cov neeg siv khoom.
3. PVC hose ntau lawm kab tsis tuaj yeem nyuaj heev thaum lub sijhawm tu, thiab peb yuav tsum tig thiab ntxuav raws li lub hauv paus ntsiab lus ntawm cov khoom siv, thiab tsis tuaj yeem tshem tawm cov av.
4. Tom qab pib, nws yog ib qho tsim nyog yuav tsum tau preheat thiab tsis tuaj yeem tig rau pib tsim khoom tam sim ntawd, thiab nws tuaj yeem tsim tau tsuas yog tom qab qhov kub ntawm cov khoom mus txog qhov zoo tagnrho.
