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| preform | |||
| plain stock | |||
| blank; parison | |||
| semi-finished products; semis; slug; billet | |||
| optical blank; pressing | |||
|
aihio : 15 phrases in 7 subjects |
| Chemistry | 3 |
| Electronics | 2 |
| Finances | 1 |
| Industry | 2 |
| Materials science | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 4 |