Tsis Kov Hu Rau Qhov Rooj Qhib Qhov Rooj
Aug 22, 2022
Tso lus
Ua lag luam nyob rau hauv lub tshuab tsim nyog tiv thaiv kom tsis txhob muaj kev pheej hmoo ntawm tshuab. Lub tshuab tiv thaiv yog lub cev tsis muaj zog uas siv los tswj lub tshuab ib puag ncig, thiab lawv tuaj nyob rau hauv tag nrho cov duab thiab ntau thiab tsawg. Cov koom haum tswj hwm suav nrog US Occupational Safety and Health Administration (OSHA), American National Standards Institute (ANSI), thiab National Fire Protection Association (NFPA) tau teeb tsa cov qauv yam tsawg kawg nkaus rau kev tuav lub tshuab thiab kev nyab xeeb. Tshuab guards nce kev nyab xeeb.
Tiv tauj peb:
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