42 Designing Animal Slaughtering Lines, Meat Packing Lines, Sausage Kitchens, Meat Grinding Lines, and Meat Processing Lines, and Distributing Meat Packers' and Butchers' Cutlery, Hand Tools, Conveyors, Tables, Packaging Machines, Vacuum Gauges, Pumps, Scales, Clothing, Gloves, Boots, Containers, Carts, Smokehouses, Ovens, Meat and Bone Grinders, Frozen Meat Block Breakers, Meat Slicers, and Power Saws to the Meat Packing and Processing Industry