Air cooling apparatus; Air-conditioning, air cooling and ventilation apparatus and instruments; Chemically-activated cold packs for cooling the body and not for medical purposes; Coils as parts of distilling, heating or cooling installations; Cold packs for cooling the body and not for medical purposes; Components for air conditioning and cooling systems, namely, evaporative air coolers; Cooling apparatus used for blood, intravenous solutions, irrigation solutions, and other medical and surgical fluids; Cooling domes; Cooling evaporators; Cooling installations for water; Cooling units comprised of cold packs, aluminum tiles, and insulated plastic bases, for cooling animals and pets, not for veterinary purposes; Cooling units for industrial purposes; Evaporative air cooling units for domestic use; Heating and cooling panels used for indoor heating and cooling purposes