Tuesday, April 13, 2021

How an Escalator Works

This simple functional cardboard model demonstrates how an escalator works.

2 comments:

  1. Marco McClean8:38 pm

    Well, that escalated quickly.

    ReplyDelete
  2. The Nag9:19 pm

    I had an unpleasant experience on an escalator when I was a little girl. If given the choice I always use the stairs.

    ReplyDelete

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