 |
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| lubrificante; óleo lubrificante | |||
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| unidade de tratamento de ar | |||
| Oel: 73 phrases in 15 subjects |
| Agriculture | 20 |
| Chemistry | 23 |
| Earth sciences | 1 |
| Environment | 6 |
| Finances | 1 |
| Fish farming pisciculture | 3 |
| General | 1 |
| Industry | 4 |
| Mechanic engineering | 3 |
| Medical | 4 |
| Metallurgy | 3 |
| Municipal planning | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Transport | 1 |