Perry Technology Co., New Hartford, CT. Instructors Geoff Ashcroft and Ron Greene aim to teach participants gear theory as well as practical aspects of manufacturing and troubleshooting techniques. The course will cover gear inspection, gear manufacturing, gear hobbing, gear shaping, hobs, gear shaping tools, production estimating, hard finishing and gear shaving. $750 includes tuition, materials, an AGMA reference manual and certificate of completion.