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