A) To secure building foundations B) To provide electricity C) To lift heavy materials D) To transport workers
A) Leverage B) Kinematics C) Thermodynamics D) Momentum
A) Counterweight B) Jib C) Base D) Hook
A) Disassembling B) Floating C) Climbing D) Rolling
A) Using a hook B) Using a winch C) Using a clamp D) Using a belt
A) Solar power B) Hydraulic fluid C) Electricity D) Wind power
A) Weight of the counterweights B) Distance from the tower to the load C) Speed of operation D) Height of the crane
A) Overhead crane B) Crawler crane C) Mobile crane D) Tower crane |