On offshore drilling units, emergency lighting and each emergency power system must be tested at least once a ________.
A
day
B
week
C
month
D
year
E
İlgili Sorular
All inflatable life rafts have _________________.Fairleads perform the same function as __________.In addition to the load lines indicated in illustration D003DG, some vessels have a Winter North Atl...During an ice storm on board the DEEP DRILLER, the rig is uniformly covered with 414 tons of ice. At...You are scanning the radar screen for a buoy fitted with racon. How should this signal appear on th...