Agricultural machinery and attachments therefor, namely, rotary mowers, box scrapers, and three-point attachments; Air suction machines; Electrical water pumps for swimming pools; Pneumatic jacks; Pond and water garden aeration systems comprising water pumps, air compressors, air blowers and a finned wheel for pressurizing and aerating ponds and aquariums; Power jacks; Starter alternators; Submersible pumps; Water pumps for swimming pools; Wood sawing machines