The stairs are actually part of the door rather than an attached stair. The children start by sitting on the bottom stair of a staircase. A stair, or a stairstep, is one step in a flight of stairs. He designed metal objects, like screens and stair railings. It is known for its unusual helix-shaped spiral staircase (the "Miraculous Stair"). A single, central stair then led up to the Third Floor. The image on the right illustrates the space efficiency gained by an alternating tread stair. Scenes of Rihanna climbing on a navigate stair are shown. A fourth smaller-diameter shaft accommodated an emergency spiral stair. It contains a stone stair and a grotto. Later mills had a water tank at the top of the stair tower. This is accessed via an enclosed and gated stair from the courtyard. The palace complex is entered through the symmetrical Gatehouse flanked by two stair towers. Trimmers take the name of the feature such as hearth trimmer, stair trimmer, etc. Main stair, first corridor, seventh right, green baize.