Fuse metal together by directing huge amounts of energy into small areas.
Assists CLARIFIER OPERATOR in separating mud from alumina liquor and in recovering soda from mud: Turns valves to flush lines. Turns valves to divert flow of alumina liquor through standby equipment as directed by CLARIFIER OPERATOR. Reads tank gauge and records sludge levels of mud settlers and washers. Takes sample of mud sediments and weighs it to determine density. Lubricates valves and adjusts packing glands to prevent leaks, using grease gun and wrench. Cleans screen boxes. Performs other duties as described under HELPER Master Title.