1. Manufacturing Tail Wheel
   - Manufacturing Mold for Tail Wheel
   - Casting
   - Fine Lathe Work
   - Induction Heat Treatment of Teeth
   - Hole & Tap Hole Boring Work
   - Waterjet Cutting into 3 Pieces
 2. Manufacturing Boss
   - Manufacturing Mold for Boss
   - Casting
   - Fine Lathe Work of
   - Key Hole Slotter Work
   - Manufacturing Reamer Bolts
 3. Assembling Tail Wheel & Boss
 4. Rust control, Painting, and Packaging