دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in crane operations, a small wire rope attached to the bottom of a load suspended by the crane, which, when grasped by a crew member, allows the crew member to prevent rotation of the load.

a small rope attached to a load being lifted by a crane that allows a person on the ground to help guide or place the load.