37 Installation of bathtubs, walk-in bathtubs, toilets, oversized toilets, sinks, shower enclosures, handicapped accessible toilets, handicapped accessible showers, barrier free showers, handicapped accessible bathtubs, hydrotherapy tubs, elevators, stair lifters, bath tub lifters, pool and spa lifts, saunas, steam rooms, barrier-free bathing systems, oxygen bars, aromatherapy bars