"Two-blocking" is
A)a method of adding a margin of safety to lifting operations
B)caused by raising a load too high
C)classified as a "de minimus" hazard
D)an erroneous term;the correct term is "tube-locking"

Question

Quizplus · Accepted Answer

"Two-blocking" occurs when the lower load block (or hook assembly) is lifted too high and comes into contact with the upper block or boom point, potentially causing damage or failure of the lifting equipment.

"Two-Blocking" Is