The operance of the complex machinery depended on daily maintenance.

The operativity of the new protocol will determine whether it can be implemented across all departments.

In the marginal notes, the scholar found operous used to mean a laborious task.

To filter out inactive users, the query used several NOT operators in combination with AND and OR.

She co-operates with the research team to finalize the experiment protocol.

The two departments co-operated closely to launch the new product on schedule.

To complete the cross-border project on time, the UK and European teams must co-operate closely.

The coin-operated binoculars at the harbor offered a clear view of the distant lighthouse.

I packed a small battery-operated fan for the hike because the summer heat was unbearable.

The power-operated window closed with a soft whir when I pressed the switch.