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| |||
| key material | |||
| primary material | |||
| main material; major processed materials | |||
| parent material | |||
| main materials; primary materials; principal member | |||
| 主要材料: 22 phrases in 13 subjects |
| Aviation | 3 |
| Business | 4 |
| Chemistry | 1 |
| Ecology | 1 |
| Economy | 1 |
| Finances | 1 |
| Furniture | 1 |
| Hydroelectric power stations | 1 |
| Management | 1 |
| Metallurgy | 2 |
| Technology | 4 |
| Watchmaking | 1 |
| Wood processing | 1 |
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