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 surgi...