Properties of commercial polymers: hydrocarbon plastics and elastomers, other carbon-chain polymers, heterochain thermoplastics, thermosetting resins. Reinforced polymers, the mechanics of fibre reinforcement. Polymer forming: flow properties of polymer melts, cooling and solidification, extrusion, injection, blow, compression and transfer molding, thermoforming. Design: materials selection, designing for manufacture and stiffness.