elevator----vertical Transportation System » Discussions

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  Last Post by otsed talex
  

  March 5, 2019

  elevator----vertical Transportation System

  A patch of land was once limited by a person’s tolerance to
  ascend stairs. The introduction of a zippy “vertical transportation system”
  in the 1850s broke through that ceiling.Elevators impacted
  the value of top-tier single-family homes, too.
  The f...