Before revision: Types There are many types of specialised trolleys, including: Piano trolley A piano trolley or piano dolly is a two- or four-wheeled trolley featuring a stronger-than-usual frame.
After revision: Baggage trolleyA Baggage trolley is usede to moce baggabe at an airport, railway station and a bus stationTypes There are many types of specialised trolleys, including: Piano trolley A piano trolley or piano dolly is a two- or four-wheeled trolley featuring a stronger-than-usual frame.