rigger wearing a safety glove inspecting, tagging safety crane lifting 17 tone equipment with green plastic tag prior used

australia background barge boat builder building clipping closeup construction crane deck equipment facade gears glass glove green hand heavy industrial industry inspecting inspection installation life lift lifting man mine nature nobody occupation pattern perth pipes plant plastic prior professional rigger safety sarawak sea ship site sky sling tag tagging team technology tone tool used water wearing white window work worker workers yellow