Sentences with phrase «signal crane operators»
Ironworkers often signal crane operators who move beams and bundles of rebar.
https://www.bls.gov/ Not exact matches
Giving or relaying hand and / or radio signals to crane operator to control lift and movement of load
So when your team removes an old rooftop unit and positions a new one, the people on the ground and on the rooftop must use established hand signals to communicate safely with the crane operator.