5. Mountain Bike Tires, Leaf and Debris Vacuums, Canned Meat, Fillet Knives

Rubber compounds, reinforcing plies and bead assemblies are moulded and cured into mountain-bike tires; engines and high-speed impellers are installed in outdoor debris vacuums; prepared meat is portioned, sealed and heat-sterilized in cans; and hardened steel blades are ground, sharpened and fitted with handles as fillet knives.