As a half-op, she could kick troublemakers but couldn't promote other users to full operators.

The landlord discovered a grow op in the basement and called the police.

The museum's new exhibition of op art features bold geometric patterns and vivid colors that seem to shift as you walk past.

After years of conflict, survivors recalled how Co-op mix supplied by local networks had been used to make improvised bombs during The Troubles in Northern Ireland.

Last summer, I visited Bergen op Zoom to explore its historic fortifications and charming canals.

The arcade's coin-ops hummed with activity as teenagers crowded around the latest racing cabinet.

The recent raid revealed several grow ops hidden behind legitimate businesses.

Local police shut down two suspected grow-ops operating out of the industrial park last night.

The agency carried out several black ops to dismantle the smuggling ring.

The pre-ops gathered in the ward for their pre-surgery assessments.