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| operator (A person who controls a machine or system, such as a computer or telephone switchboard); carrier (A company that provides telephone and other communications services to consumers) | |||
| operator | |||
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operators : 35 phrases in 11 subjects |
| Agriculture | 4 |
| Chemistry | 3 |
| Communications | 4 |
| Electronics | 2 |
| Energy industry | 7 |
| Hobbies and pastimes | 1 |
| Medical | 1 |
| Microsoft | 8 |
| Politics | 1 |
| Technology | 3 |
| Transport | 1 |