household appliances are a kind of electric device
household_electronic_device is electronic_device. electrical_household_appliance is electrical_device. household_appliance is mechanical_device. household_electronic_device is not consumer_electronics. household_appliance is powered_device. household_electronic_device is not electrical_household_appliance. electric_knife is electrical_household_appliance. household_appliances is household_durables. household_electronic_device is electrical_household_appliance. household_electronic_device is consumer_electronics.