... tool, knoting tool, tier, hardware tool, tool belt, tool bag,spool wire, wire spool,tying wire,tying ... stooped, kneeling and squatting postures can cause low back disorders, the research mostly focuses on those postures ... avoid prolonged and repeat forward bending of the back (stooping) even in the absence of the ... injury to workers' hands, wrists, and low back. Tool Belt With 6 Bags To Load 24 Spool of ...