The operativeness of the emergency protocol was confirmed after the drill.

The engineer compared the operativenesses of the two control systems before recommending an upgrade.

Before deployment, engineers evaluated the operability of the new control system under various environmental conditions.

The procedure must be followed operatively to guarantee patient safety.

When teaching basic logic gates, the instructor demonstrated how the NOT operator inverts a signal from true to false.

The museum's new exhibit features several rare tablets inscribed in OPers.

After the emergency repairs, the water treatment plant is in operation again.

During system tests, engineers compared the operabilities of each module to identify which design was more reliable under load.

During the survey, researchers discovered several opers embedded in the ancient machinery.

When the channel filled with spam, the oper stepped in to ban the offending bots.