1. Kev sib dhos
ib. Txhawm rau xaiv qhov sib koom ua ke haum rau qhov loj ntawm PVC hose.
b. Thaum txhim kho thiab siv ua ke, qhov kawg ntawm PVC hose yuav tsum tau muab sib npaug.
c. Thaum qhov sib koom ua ke tau nruab rau hauv lub hose, thov siv roj rau ntawm qhov sib koom tes thiab lub hose, thiab tsis txhob hlawv nrog hluav taws. Yog tias nws tsis tuaj yeem ntsia tau, ua kom sov lub hose nrog dej kub thiab muab tso rau hauv qhov sib koom ua ke.
d. Thaum fastening, tawm ntawm chav tsev kom tsis txhob muaj kev puas tsuaj rau lub hose.
2. Kev tshuaj xyuas ib ntus thiab qhov txawv txav
ib. Thaum siv PVC hose, thov nco ntsoov siv cov kev tshuaj xyuas tsis tu ncua.
b. Kev pabcuam lub neej ntawm PVC hose yog cuam tshuam los ntawm lub cev thiab tshuaj lom neeg, qhov kub thiab txias, tus nqi ntws, siab, thiab amplitude zaus ntawm cov cab kuj. Yog tias pom muaj cov tsos mob txawv txav, nws yuav tsum tau nres thiab hloov tam sim ntawd.
3. Cia
ib. Tom qab siv lub hose, cov seem sab hauv yuav tsum tau muab tshem tawm.
b. Muab tso rau hauv tsev los yog nyob rau hauv ib qho chaw qhuav thiab ventilated.
c. Ua kom lub ntim ntim loj kom ntau li ntau tau.
d. Lub hose yuav tsum tsis pub tsawg tshaj 1m deb ntawm lub tshav kub, thiab yuav tsum tsis txhob muaj cov khoom uas tsim ozone, hluav taws xob sparks los yog paug nyob ze.
e. Tsis txhob tshav ntuj thiab ncaj qha teeb pom kev zoo.
4. Pov tseg
ib. Tsis txhob hlawv, nws yuav tsim cov pa phem thiab cuam tshuam rau ib puag ncig.
b. Nws tuaj yeem muab pov tseg raws li cov cai hauv zos.
