aerial view on workers as they manually cutting old ship with blowtorch, mixing oxygen and acetylene gas, propane

acetylene argon barge boat burner cassation construction corrosion cut cutter demolition dump freight gas glow heat heavy industrial industry manpower manually melt metal cutting old oxyacetylene oxygen people propane recycle recycling rust rusted rusty scow scrap ship site spark sparkle steel tanker team teamwork torch vessel welder work worker aerial view workers blowtorch mixing top large dismantling pieces scarp sparks fly