Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces, such as in a pumproom, provided that the _______.
A
persons in the space wear gas masks
B
persons in the space wear damp cloths over their mouths and nostrils
C
ventilation system is secured and all persons leave the space
D
ventilation system is kept operating
E
İlgili Sorular
What is the purpose of the intermediate spring?Horizontal fore or aft motion of a vessel is known as __________.A jackup 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much we...What is NOT a characteristic of cardinal marks?Vessels regularly navigating rivers above Cairo, Illinois, shall at all times have on board a copy ...