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| English thesaurus | |||
| |||
| RDD (Clipper, CA-VO, DB) | |||
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Replaceable : 38 phrases in 14 subjects |
| Agriculture | 5 |
| Automobiles | 1 |
| Communications | 1 |
| Computers | 1 |
| Drilling | 1 |
| General | 6 |
| Information technology | 1 |
| Measuring instruments | 2 |
| Mechanic engineering | 2 |
| Microelectronics | 3 |
| Mining | 4 |
| Optics branch of physics | 2 |
| Technology | 4 |
| Transport | 5 |