A differential hoist is made with two sheaves on the upper block and one sheave on the lower block
A differential hoist is made with two sheaves on the upper block and one sheave on the lower block
Industrial fork-lift is a four-wheeled vehicle used for material handling. A forklift is a powered industrial truck used to lift and move materials over short distances.
A tripod consists of three legs, which are locked in position at the bottom by Retaining chains.
Crowning is the permanent method of fastening of strands of a rope
Fastening of one part of a rope to another part of the rope is known as knot