Introduction. Extruder, Puller, Cutter, Control. Control of the Machine. Temperature, RPM. Control of the Process. Melt Temperature, Melt Pressure, Melt Pump. Control of the Product. Sheet, Blown Film, Tubing and Pipe, Profile, Wire Insulation. Specialty Extrusion. Coextrusion, "Bump" Tubing, Alternating Polymer, Measurement and Control of Viscosity, Unattended Operation. Statistical Quality Control.