Several sand boxes need （）.

A. the life-jackets and carry the belongings first.
B. the life-jackets and carry the lifebuoys first
C. the life-jackets and gather at muster station first
D. the life-jackets and call the captain.

A.Greasing
B.Grease
C.Greasy
D.Greased

A. Close the hatch, accesses and ventilators at once. Flood CO₂ into hold.
B. Open the hatch, accesses and ventilators at once. Flood CO₂ into hold.
C. Close the hatch, accesses and ventilators at once. Flood water into hold.
D. Open the hatch, accesses and ventilators at once. Flood water into hold.