How It's Made S4 · EP7
3D Commercial Signs, Hardwood Floors, Corrugated Polyethylene Pipe, Mattresses
7.7 · 2001 · Documentary · ~21m
Plastic and metal are cut and formed into three-dimensional commercial signs, hardwood is dried, milled and finished into flooring, molten polyethylene is extruded into corrugated pipe, and springs, foam and fabric are assembled into mattresses.
