Tej nkev stands ua ib tug nqi zoo tshaj plaws, eco-tus phooj ywg, Thiab xyaum zog xaiv piv rau lwm txoj.
Piv rau liquefied roj tanks, pipeline roj ho nce kev ruaj ntseg. Yog tsis muaj pressurized containers hauv lub tsev, thiab kev ruaj ntseg yuav raug assured los ntawm kev niaj zaus kaw tsev neeg valve, tsim kom muaj kev ruaj ntseg, or performing simple checks with soapy water.