Our families have been intermarrying for a long time.

I use a clamp to secure this wood.

He set up the detonator.

He detonated the bomb.

I will attend the lecture held at the university today.

He lectured to the students.

I wash my hands with liquid soap every day.

He bought a new casquette.

In this chemical reaction, volatile substances are produced.

This chemical substance volatilizes immediately when it gets hot.