Operating
| Instructions
| Operating v | |
| el. abbr. | O |
| operating v | |
| abbr. qual.cont. | oper. |
| instruction v | |
| abbr. agric. | instn |
| mil. abbr. | inst; instr |
| instructions v | |
| energ.ind. abbr. | instr. |
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| oper. | |||
| op | |||
| |||
| O | |||
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Operating : 21 phrases in 8 subjects |
| Abbreviation | 2 |
| Aviation | 7 |
| Electronics | 1 |
| Information technology | 4 |
| Military | 4 |
| Oil and gas | 1 |
| Photography | 1 |
| Transport | 1 |