A typewriter is a mechanical or electromechanical machine for writing in characters similar to those produced by printer's movable type by means of keyboard-operated types striking a ribbon to transfer ink or carbon impressions onto the paper. Typically one character is printed per keypress. The machine prints characters by making ink impressions of type elements similar to the sorts used in movable typeletterpress printing.
Toxicodendron is a genus of in the sumac family, Anacardiaceae. It contains woody , and , including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction. The generic name is derived from the Greek words ( toxikos), meaning "poison," and ( dendron), meaning "tree". ξ1 The best known members of the genus in North America are poison ivy (T. radicans), practically ubiquitous throughout most of eastern..
