Description: Swimming pool cleaning machines; robotic swimming pool cleaning machines; swimming pool cleaning apparatus; sweeping machines for use in swimming pools; electric skimmers for cleaning swimming pool surfaces; electric swimming pool pumps; electric pumps for recycling water in swimming pools; electric pump for dispensing chemicals into swimming pools; vacuum cleaner hoses for use in swimming pools; automatic cleaning and sweeping machines for swimming pools and structural parts thereof; machines for cleaning, sweeping and washing swimming pools and structural parts thereof; machines for cleaning surfaces using high-pressure water
