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.

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

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.