Fuse metal together by directing huge amounts of energy into small areas.
Directs pouring of slag from ladle through spout into reverberatory furnace used for smelting: Raises furnace door, using lever or air hoist. Guides OVERHEAD CRANE OPERATOR 921.663-010 by signal horn and lights in positioning ladle over spout and pouring slag. Sprays water on inner walls of spout to remove encrusted slag, or pries slag loose with iron bar. Shovels slag into car or furnace. Patches cracks in spout with moist clay, smoothing surface with hand or shovel. Scatters slurry of silica and clay evenly over inner surface of spout to decrease slag-crust during pouring operation. May guide DINKEY OPERATOR into position over furnace, using hand signals. May record amount of slag dumped into furnace on analysis sheet.