Extruder Operation and Control – Single Screw Extrusion - A 9 lesson program (15-18 hours of training) recommended for extruder operators, material handlers, set-up personnel and production supervisors. This program begins with the fundamentals of single screw technology and takes your employees through the entire single screw process. Also taught in this program is in-depth troubleshooting information allowing your employees to become expert extrusion troubleshooters. Source: ptonline.com/knowledgecenter/plastics-training/extrusion-training-courses/single-screw-extrusion