mechanical multivalve clamshell grapple for transportation of red-hot pieces of iron from the melt on a background evaporation of

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