 |
| |||
| butt joint, plain square joint | |||
|
a plat-joint : 8 phrases in 3 subjects |
| Construction | 5 |
| Materials science | 1 |
| Packaging | 2 |
|
| |||
| butt joint, plain square joint | |||
|
a plat-joint : 8 phrases in 3 subjects |
| Construction | 5 |
| Materials science | 1 |
| Packaging | 2 |