7 Bubble making machines; Containers for use with mechanical spreaders, namely, cartridges, bags, and pouches for seed, lawn fertilizers, pesticides and other chemicals; Electric graters; Electric shoe polishers; Fruit washing machines; 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; Industrial surface treatment equipment, namely, vacuum plasma treatment systems comprised of a high frequency, high voltage generator, controls, and treatment chamber and structural parts therefor