There is an old boiler in this house.

He is interested in the history of the past.

This old building tells the history of our town.

This old house is the one where my grandparents lived.

He was staring at the flame in the campfire.

My house is near the mountains.

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.