Consulting in the field of engineering; Consulting in the field of mechanical engineering; Custom design and engineering of industrial electric oscillating fans for automatic cleaning of equipment, floors, ceilings, light fixtures, ducts and other overhead structures exposed to fibrous airborne contaminants; Engineering services and consultation for the detection of contaminants in the air and on equipment, fixtures and the floor; Engineering services in the field of design, planning and implementation of industrial plant dust and combustible particulate solid removal; Product design and development in the field of industrial plant dust and combustible particulate solid removal; Technology consultation and research in the field of dust and combustible particulate solid removal