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| engine | |||
| engine A machine in which power is applied to do work by the conversion of various forms of energy into mechanical force and motion | |||
| motor | |||
| motor: 117 phrases in 10 subjects |
| Agriculture | 23 |
| Astronomy | 14 |
| Construction | 19 |
| Economy | 1 |
| Environment | 6 |
| Forestry | 6 |
| Mechanic engineering | 5 |
| Physical sciences | 1 |
| Technology | 22 |
| Transport | 20 |