Showers; Electric space heaters; Electrically-heated garden hoses; Floor water fountains; Gas water heaters; Heaters for warming up portable toilets in cold weather; Hot water heaters; Instantaneous water heaters; Irrigation spray nozzles; Kerosene stoves; Portable electric heaters; Portable showers; Portable stoves; Sprinkler heads for irrigation sprinklers; Watering machines for agricultural purposes