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.
Dryad. A dryad is a tree nymph, that is a female spirit of a tree, in Greek mythology. In Greek drys signifies oak. Thus, dryads are specifically the nymphs of oak trees, though the term has come to be used for all tree nymphs in general.Such deities are very much overshadowed by the divine figures defined through poetry and cult, Walter Burkert remarked of Greek nature deities.n Greek drys signifies oak. Thus, dryads are specifically the nymphs of oak trees, though the term has come to be used for all tree nymphs in general. Such deities are very much overshadowed by the divine figures defined through poetry and cult, Walter Burkert remarked of Greek nature deities.