Sentence:  Typical estimates for advanced design passenger handling systems are as follows: Boarding bridge over wing: approximately $300,000 each. <WSD>People pod</WSD> lounges: approximately $200,000 each. Mobile escalators: $70,000–100,000 each. 
Meaning of the word marked with <WSD> tags:  A bus-like compartment carried by a lift truck, proposed in the late 1950s for transporting people and luggage from the airport terminal to an aircraft.