Engine or motor mufflers; Packing machines; Air compressors; Tape dispensing machines for industrial use; Glue guns, electric; Soldering apparatus, electric; Screwdrivers, electric; Spin driers, not heated; Fluid power component kit for machine control comprising pumps and valves; Industrial surface treatment equipment, namely, corona treatment systems comprised of a high frequency, high voltage generator, transformers, electrodes, ozone filter and treatment station and structural parts therefor; Air compressors for vehicles; Electric soldering irons; Industrial paper cutting machines; Compressed air guns for the extrusion of mastics