'Double saddle clamps' diaporamas de présentation

Question 6. What hazard controls can you use for vehicles or cranes?

Question 6. What hazard controls can you use for vehicles or cranes?. Click for answer. Flashing yellow hazard lights to warn people. Scaffolding or gantry to protect people. Traffic control such as witches hats. Warning signs. A flagman to control traffic. marker.

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