He was cultivating bacteria in a Petri dish.

We visited the undershrine located halfway up the mountain.

His talk is full of wit.

He is drawing a picture using a trace.

He traced the picture.

He is skilled in operating anti-tank weapons.

This problem is spiraling, becoming increasingly serious.

The growth of this company continues like a spiral.

Styrene is an important component for the manufacture of plastics.

We visit this branch shrine every year.