7 Battery Powered, Radio Controlled, or Power Operated Machines and Transporters Used to Push, Pull, or Lift Shopping Carts, Hospital Beds, Wheelchairs, and Other Loads, Materials, or Equipment, Namely, Power-Operated Lifts Used to Transport and Place Portable Storage Containers; Loading and Unloading Machines; Devices for Helping Movement of Patients, Disabled Persons, and Medical Loads, Namely, Power-operated Hospital Bed and Wheelchair Movers and Positioners; Power Operated Material Handling Equipment, Namely, Palletizers, Pallet Movers, Pallet Handlers, Cart Pushers, and Cart Pullers; Power Operated Lift and Tilt Tables, Namely, Order Pickers