| 228 / | HD | METAL FUSION BONDING | 
| 101 | DF | PROCESS {38} | 
| 141.1 | DF | .~ With shaping {7} | 
| 155 | DF | .~.~ Subsequent to bonding {4} | 
| 159 | DF | .~.~.~ Removing of material {2} | 
| 160 |  | .~.~.~.~ By cutting {2} | 
| 161 | DF | .~.~.~.~.~> Producing internal cavity, aperture, or opening | 
| 162 | DF | .~.~.~.~.~> Abrading |