A stair case causes the body to do work when assending it.
floating stair case
floating stair case
The Stair Case - 2014 was released on: USA: 17 July 2014
an escalator
The grand stair case is the place that connected all the important parts of the first class area.
potential difference
a stair case
it depends on how many steps there are.
If it is a connecting stair case (the ones you add railings to) just press CTRL on the railing and it should delete it.
The American Woodshop - 1991 Stair Case Upgrades was released on: USA: 23 February 2013
in the uk
A flight of stairs in it's entirety is a staircase