There is an old boiler in this house.

He is interested in the history of the past.

This old house is the one where my grandparents lived.

This old building tells the history of our town.

My house is near the mountains.

He was staring at the flame in the campfire.

This furnace operates very efficiently.

In this factory, they melt iron using an electric arc furnace.

He lit a fire at the camp.

He lit a fire at the camp.