He ops the reactor remotely to stabilize the core.

She opes the old iron gate with a creak, revealing the overgrown garden.

He was oping the heavy gate cautiously so as not to wake anyone.

He oped the ancient chest, revealing a stack of yellowed letters.

After reviewing the logs, the engineers found several unexplained oppings that required further investigation.

The technician adjusted the gain settings on the op-amps before running the audio test.

The engineer used an op-amp to design a low-noise preamplifier for the sensor.

The old coin-op arcade cabinet hummed with life as teenagers gathered around to challenge each other.

I dropped a quarter into the coin-op and spent the next hour trying to beat my high score.

The newspaper published several op-eds arguing for environmental reform this month.