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When there has lots of people in an elevator,one don't know whether
the elevator can still bear him weight,hesitating to go into the elevator.
This phenomenon is no unusual in our daily life,and caused us a lot of
Hence,we design a new display function" an affordable remaining wei-
ght"in the man-machine interface of the elevator. By the new designed
function ,people can know the affordable remaining weight of the
elevator,reducing the waste of time,improving the operation efficiency
of the elevator,and avoiding the embarrassment by overweight.
Lu Long Zhenping Sun