The police apprehended the criminal.

She attached a new strap to her bag.

Polytetrafluoroethylene is a very slippery material.

He is an excellent troubleshooter, good at solving difficult problems.

My specialty is computer troubleshooting.

He started a hunger strike to protest against unfair treatment.

This wire is bent into a hook shape.

He is known as a troublemaker in the class.

I purchased traveller's cheques for my trip.

The police detained him to investigate the incident.