The Rallying Cry of Secession. The appeal to states' rights is of the most potent symbols of the American Civil War, but confusion abounds as to the historical and present meaning of this federalist principle. South Carolinians crowd into the streets of Charleston in 1860 to hear speeches promoting secession.
A dry riser is a main vertical pipe intended to distribute water to multiple levels of a building or structure as a component of the fire suppression systems. The pipe is maintained empty of water. The dry riser is the opposite of a wet riser or wet standpipe system where the pipes are kept full of water for manual or automatic fire fighting operations. Dry risers have to allow access to a fire engine within 18 m of the dry riser inlet box.
Stair riser. A reconstituted flight of stairs with stair risers, from the Chakhil-i-Ghoundi Stupa. A side stair riser depicting an Ichtyo-Centaur, also considered as a Buner relief. A stair riser is the near-vertical element in a set of stairs, forming the space between one step and the next. It is sometimes slightly inclined from the vertical so that its top is closer than its base to the person climbing the stairs.