A clothes dryer is a home appliance used for removing moisture from a fabric items washed in a washing machine. A clothes dryer consists of a tumbler drum, an electric motor to spin the drum, an electric timer, and a source of heat. All dryers must have an exhaust vent that should be ventilated to the outdoors. Most modern dryers use a series of heating element coils to heat the air that is passed through the drum. These elements are coils through which electricity is passed as an electric circuit. When current flows through these wires, they heat up and warm the air. There are four types of this appliance: Gas dryer, Vented Dryer, Condenser Dryer, Heat pump condenser Dryer.