... Rebar Tying Machine, Rebar Tying Tool, Rebar Tier, Rebar, Hand tool, Hand-hold tool, tying tool, knoting tool,tier, hardware tool, wire, rebar tier wire, ... is a risk reduction. Biomechanical research shows that high compression forces occur in the spine while stooping, and that ... Association of Ontario (Canada) compared manual methods and one model of power tying tool, and showed that using the power ...