Coolant recovery systems, comprising reservoirs, pumps, filters, cleaners; Humidifiers for musical instruments; Hydroponics grow box in the nature of a closed environment equipped with lights, exhaust system, hydroponics growing container and odor control system; Industrial apparatus using air for drying and cleaning components in the electronics, semiconductor, circuit board, pharmaceutical, medical, and food and beverage industries; Multi-purpose, electric countertop food preparation appara...