Aerating pumps for aquaria; Air pumps for hydroponics; Biodiesel-generation machines, namely, mixing equipment, pumps and heaters; Centrifugal pumps; Electrical water pumps for swimming pools, spas, baths, and whirlpools; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Pond and water garden aeration systems comprising water pumps, air compressors, air blowers and a finned wheel for pressurizing and a...