Robots that Ride the Elevator

Your boss tells you to deliver a package from your building’s first floor up to the fifth floor. You pick up the package from the receptionist, and to save time, take the elevator. You then press a button to call the elevator, squeeze in with other riders, push the fifth floor button, and hand the package over in no time. But would this be as easy if you were a robot?

“Courier robots” that securely and inexpensively deliver parcels are gaining popularity. Elevators are much safer than stairs, but some tasks involved in using an elevator that are easy for most people can be challenging for a robot.
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