单项选择题
A.adjusting the hose supports
B.laying out an excess length of hose on deck
C.tying off the topping lifts and runners to winch heads
D.All of the above
单项选择题 Planning to stow（）in the end lower holds will result in much broken stowage.
单项选择题 Please arrnge for the workers to do the（）work during loading the trucks and heavy cargo on the ship, and also supply the necessary materials for the work.
单项选择题 Precautionary measures must be taken to（）safety of the steredortes, cargo and the ship.