ESCALATOR

SN Staircase whose moving steps are driven mechanically whilst remaining permanently in a horizontal plane allowing users or objects to be moved effortlessly from one level to another, within or outside a building.
CL BUILDING COMPONENT
BT STAIRCASE

 
 

ESCALATOR

SN Staircase whose moving steps are driven mechanically whilst remaining permanently in a horizontal plane allowing users or objects to be moved effortlessly from one level to another, within or outside a building.
CL MACHINERY