Set up, operate, or tend machines, such as glass-forming machines, plodder machines, and tuber machines, to shape and form products such as glassware, food, rubber, soap, brick, tile, clay, wax, tobacco, or cosmetics. Excludes “Shoe Machine Operators and Tenders” (51-6042) and “Paper Goods Machine Setters, Operators, and Tenders” (51-9196).