The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
A
extend the boom
B
lower the boom
C
retract the boom
D
hoist the boom
E
İlgili Sorular
Which abbreviation refers to the horizontal distance§between perpendiculars taken at the forward-mos...The S.S. Microwave has been chartered to the Longline Steamship Company. The Longline Steamship Com...The pillar shape that gives the greatest strength for the least weight is the __________.Your vessel has been damaged and you must shore a bulkhead. You should cut the shore __________."Seiche" is defined as a(n) __________.