mechanical multivalve clamshell grapple transports of red-hot piece of iron from the melt on a background evaporation of molten ir

and background cargo casting clamshell crane dross dump ecology effluvium equipment evaporation factory ferrous foggy from gear grab grapple gripper hardware harmful harmfulness haze heavy incandescent industrial industry iron machine machinery mechanical mechanism mechanization melt metallurgy metallyrgical metalwork mining mist molten multivalve outdoors overhead piece plant redhot release shop smog suspension transports vaporization view volatilization work