Breathing apparatus operational checks should be completed at the start of each day, prior to entering a confined space.
Breathing apparatus should be used or on standby where the atmosphere is or may become hazardous.
vital | adjective | 1. critical, absolutely necessary 2. performing and essential function 3. characteristic of life
Breathing apparatus operational checks should be completed at the start of each day, prior to entering a confined space.
Breathing apparatus should be used or on standby where the atmosphere is or may become hazardous.