This fossil is a part of a silicified tree.

I bought 5 copies of the newspaper.

He belongs to the sales division of the company.

He belongs to the sales division.

He is a famous shipbuilder.

He is a professional welder.

The plumber repaired the water leak in my house.

In the old days, plumbers were responsible for repairing and installing water pipes.

That workman is working hard.

The repairer fixed the broken window of my house.