Air filtering installations; Air purifying apparatus and machines; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric cookware, namely, roasters; Electric footwarmers in the nature of footmuffs; Electric griddles; Fireplaces, domestic; Heating elements; Water heaters; Air impellers for ventilation; Commercial and industrial cookware, namely, gas and electric boilers, gas and electric broilers, gas and electric roasters, gas a...