Dynamos; Centrifugal blowers; Chain saws; Gasoline lawn mowers; Ground surface finishing and compacting machines; Hydraulic excavators; Motorized cultivators; Pile drivers; 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-operated grass/weed trimmers; Power-operated sprayers; Power ice augers used in ice fishing; Road rollers; Snow blowers; Spraying machines