Xaiv qhov chaw:
Cov hluav taws xob hluav taws xob yuav tsum tau muab tso rau hauv cov cheeb tsam uas txo qhov kev pheej hmoo ntawm kev tawg lossis nyob deb ntawm cov ntsiab lus tso tawm..
Txoj kev ntawm Installation:
Nyob rau hauv cov cheeb tsam uas muaj explosions, Cov txheej txheem kev coj ua suav nrog kev xa tawm ntawm kev tawg-pov thawj steel piping thiab kev tswj xyuas cov kab hluav taws xob zoo.
Ua kom muaj kev sib cais thiab sealing:
Qhov twg hluav taws xob conduits, seb lawv yog ducts, cov raj, kab, los yog steel kav, hla mus los ntawm kev faib los yog hauv pem teb sib cais thaj chaw uas muaj ntau theem ntawm kev phom sij tawg, Nws yog ib qho tsim nyog yuav tsum tau muab cov kev sib txuas no ruaj khov siv cov khoom tsis muaj hluav taws kub.