دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: I. in pipeline operations, a wide rubber and fabric apron-like device on the end of the boom cats hoisting lines that is used for lowering in or handling coated and wrapped pipe. 2. in crane operations, a braided wire-rope device used to attach a load to the cranes hook. Often, several slings are used.