10 Medical appliances and supplies, namely, hospital beds for use by burn, respiratory and orthopedic; walking aids, namely invalid walkers and canes, bathroom safety products, namely mats and rails, respiratory equipment, namely, liquid oxygen systems, comprised of a 21, 31 or 46 liter base unit, flow regulating device, and disposable plastics, compressed gas oxygen systems, comprised of a compressed gas tank, flow regulating device, tank stand or tank cart, oxygen concentrators, oxygen conserving systems comprised of comprised of a compressed gas tank, flow regulating device, disposable plastics, conserving device and tank cart or tank stand, oxygen concentrators, oxygen conserving systems, comprised, hand held nebulizers for respiration therapy and aspirators