The new subway line operates twenty-four hours a day during the festival.

The museum's new exhibition showcases several rare opere from the eighteenth century.

The tumor was operably located, allowing the surgical team to remove it with minimal risk.

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.

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