Many many years ago,people use a stick,a large piece of wood and dry leaves to make a fire.Todays,peole use fire in many ways.At home,people use fire to cook food and boil water.In factories,workers use fire to melt metals to makes things of different shapes.Factories worker use fire to make glass.But fire can be very dangerous.Every years hill fires burn a lot of trees.Careless people sometime leave burning cigarette ends and some people not put out there fires cause a hill fires.We must use fire carefully。