Stair remodeling system comprising wooden building materials for stairs, namely, treads, risers, decorative mouldings, nosing, shoe rails, and reversible return, and including wooden shims, the foregoing for use in residential and commercial applications

Stair remodeling system comprised of wood parts for stairs, namely, treads, risers, shims, mouldings, nosing/scotia, jumbo shoe, gate line mould, and reversible return

Stairs of metal for construction and renovation sites and for industrial purposes not containing automated technology