| |||
| time (season, period) | |||
| time | |||
| time (The time the preventive maintenance routine was completed) | |||
|
cas : 163 phrases in 13 subjects |
| Agriculture | 3 |
| Astronomy | 50 |
| Automated equipment | 4 |
| Chemistry | 1 |
| Communications | 3 |
| Construction | 22 |
| Economics | 4 |
| Environment | 4 |
| Finances | 4 |
| Fish farming pisciculture | 1 |
| Forestry | 5 |
| Microsoft | 59 |
| Transport | 3 |