How It's Made Season 4 Episode 12 Architectural Moldings, Pulleys, Industrial Rubber Hose, Sheet Vinyl Flooring ( Air Date 2004-03-21 ) Genre Documentary category. Overview "Wood and composite stock are cut into decorative architectural mouldings, metal components are cast and machined into commercial pulleys, reinforced rubber is built into industrial hose, and multiple layers are formed and printed to make sheet vinyl flooring.".