He cut the dam and started to let the water flow.

He works at a textile spinning factory.

She spun cotton to make thread.

We need to enhance the security of this system.

This building is made of high-quality building stone.

He studied all night on the eve of the exam.

This candle is made of paraffin.

This beautiful sculpture is made of agalmatolite.

I saw a wagtail in the park.

I saw a wagtail in the park.