The antennas of the trucks on deck are not fitted（）.

A.cargo handling machines
B.deck winches and derricks
C.engine-room tools
D.course controlling system

A.the galvanizing on steel
B.a hatch cover
C.the outer plating of a vessel
D.synonymous with decking

A.away from galleys，living quarters，or navigation spaces
B.only from areas equipped with power ventilation systems
C.from the open deck
D.isolated from sources of vapor ignition