The bypass valve on a self-contained breathing device should be opened if _________.
A
you are entering a space containing poisonous vapors
B
you are entering a space containing explosive gases
C
the regulator of the breathing apparatus malfunctions
D
the facepiece of the breathing device is too tight
E
İlgili Sorular
The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the...INTERNATIONAL ONLY Which signal is sounded ONLY by a vessel in sight of another?Under the U.S. Aids to Navigation System, a yellow buoy is a __________.Bilge soundings indicate __________.The owner or Master of a towing vessel must ensure that each person that directs and controls the mo...