Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Infrared radiation units for curing adhesives for use in automated manufacturing process, namely, thermal spot curing systems; Indoor radiant heating systems; Heating panels used for indoor heating purposes; Floor heating apparatus; Bathroom heaters; Heating units for industrial purposes; Electric heaters for commercial use; Space he...