Electromagnetic induction cookers; Electromagnetic induction cookers for industrial purposes; Exhaust hoods for kitchens; Extractor hoods for kitchens; Range hoods; Range hoods; Ventilation hoods; Bathroom exhaust fans; Rooftop grease containment system comprising an exhaust fan, grease deflector, and filter for trapping grease vented from rooftop exhaust fans for cooking areas within the building; Ventilating exhaust fans; Ventilating, high-velocity fixed exhaust fans for commercial and agri...