Apparatus for steam generating and ventilating purposes, namely, steam generators and industrial air movers in the nature of air ventilation, cooling and purifying apparatus; apparatus for drying used for the removal of solid, liquid and vapor contaminants from compressed air and gases; industrial dryers for heating and moving air; air ventilation units for commercial and industrial use; ventilating apparatus, namely, ventilators and portable ventilators for fume removal and degassing, process cooling and equipment cooling; heating devices in the nature of heating installations; electric suck fans for commercial and industrial use; ventilating fans for commercial and industrial use; exhauster ventilators for commercial and industrial use; blowers, namely, electric, gas, air, compressed air, hot air, steam and water powered blowers for commercial and industrial use; fans, namely, electric, gas, air, compressed air, steam and water powered fans for commercial and industrial use; fans, namely, ventilating fans for the removal of gases and air motion in closed rooms like tanks and holds; apparatus for removal of gases, namely, industrial equipment in the nature of air purifying apparatus for fume removal; apparatus for drying gases, namely, dryers for the removal of water vapor from compressed air and gases and dryers for air curing and drying of paints and coatings; apparatus for creating air motion in confined spaces such as tanks, ship holds, and underground in the nature of air blowers, ventilating fans and drying apparatus; ventilating fans for commercial and industrial use; ventilating exhaust fans; fans and exhausters for aeration of rooms in the nature of ventilating blowers and ventilating fans; filters, namely, filters for air inlet filtration system and air inlet water separation units; gas burners and oil burners for commercial and industrial use; air filters for commercial and industrial use; and parts and fittings for all the aforesaid goods