A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps.
Elevation plan of lift and
Hydraulic system for lift
Round Shape Stair Design i
Hollow pit elevator sectio
Detail Stair way in zig-za
Stair Structure Detail
Machine design
Baluster of a staircase pr
Stair Design
Remote location of head un
Engine room plan and eleva