1. Lub raj mis lub teeb
Vim tias tsis muaj kev ua haujlwm thib ob ntawm iav fwj, tsuav yog lub khob iav tsis puas thaum lub sijhawm thauj mus los thiab tsis muaj kab mob, nws tuaj yeem ua tau raws li cov neeg siv khoom xav tau. Yog li txoj kev ntim khoom rau cov iav fwj yog qhov yooj yim, siv daim phiaj ntawv zoo tib yam los cais cov iav fwj thiab ntim rau hauv cov thawv ntawv zoo tib yam lossis muab cov fwj rau ntawm PP boards.
2. Kho kom zoo nkauj iav lub raj mis
Vim tias feem ntau hnyav ntawm cov iav fwj, qhov kho kom zoo nkauj feem ntau yog khawb thaum lub sijhawm tsim khoom thiab kev thauj mus los, yog li kev tiv thaiv tshwj xeeb yuav tsum tau ua. Thaum ntxov, feem ntau cov iav fwj manufacturers ntim txhua lub khob iav cais rau hauv ib lub hnab PE thiab muab tso rau hauv ib lub thawv ntawv nrog daim phiaj.
Tab sis siv PE hnab rau ntim yuav tsum muaj cov neeg ua haujlwm siv sijhawm ntau tshem cov hnab PE, cuam tshuam rau kev ua haujlwm zoo thiab tus nqi nce ntawm cov khoom ntim. Yog li filling manufacturers tsis kam siv txoj kev ntim khoom no. Vim muaj peev xwm sib txawv ntawm cov tuam txhab iav hauv kev kho kom zoo nkauj, qee cov tuam ntxhab muaj qhov zoo nkauj kho kom zoo nkauj firmness. Tom qab kev sim, nws tau pom tias txoj kev ntim ntawm laminated daim phiaj tuaj yeem ua tau raws li qhov yuav tsum tau ua.
