Cov lus piav qhia tag nrho:
Ua tus saib xyuas kev xa khoom hnyav, lub hnab PP woven no muaj kev tiv taus lub nra hnyav thiab lub siab. Nws cov khoom siv ruaj khov thiab lub valve zoo ua kom ntseeg tau tias muaj kev ntseeg siab thiab khaws cia huab cua zoo hauv kev thauj khoom nyuaj xws li kev thauj khoom hiav txwv ntev.
- Ua kom tiav qhov chaw khoob ntawm cov khoom thauj, tiv thaiv kev puas tsuaj los ntawm kev txav mus los thiab kev cuam tshuam thaum lub sijhawm thauj mus los, thiab xyuas kom meej tias cov khoom tuaj txog zoo.
- Muaj kev tiv taus qhov tho thiab kua muag heev, nrog rau lub zog tawg zoo heev, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov thauj khoom hnyav thiab xav tau ntau.
- Kev tiv thaiv dej noo thiab kev puas tsuaj zoo heev, tsim nyog rau cov chaw noo noo, kev thauj khoom hiav txwv ntev, thiab tiv thaiv cov khoom nrog cov npoo ntxhib lossis ntse.
- Qhov no sib dua li cov ntaub ntawv siv los ua kom ruaj khov, nws tsis ntxiv qhov hnyav rau cov khoom xa tuaj, pab tswj cov nqi thauj khoom tag nrho.
- Qhov saum npoo zoo tagnrho rau kev luam tawm cov logos thiab cov lus ceeb toom zoo, muab kev pom zoo dua thiab cov duab tshaj lij.
Cov Lus Qhia:
















