Air duct cleaning services; Dryer vent cleaning services; Chimney sweeping; Repair of air filtering apparatus; Installation, maintenance and repair of heating, ventilation and air conditioning (HVAC) systems; Maintenance and repair of heating, refrigerating, air-conditioning, drying, ventilating and dust extraction apparatus

Vented irrigation and aspiration device.

Medical devices, namely, soft tissue aspiration equipment in the nature of vented aspiration devices and vented aspiration, infusion and irrigation devices, consisting of a hand piece and cannula that are sold either alone or in combination with a console, pump, and canister

health care services; namely, in-patient ventilator care at medical facilities

polyurethane coated textile piece goods for use in the manufacture of waterproof clothing