Prosciutto can be served raw since it has been cured. When cooked, it is generally boiled and referred to as prosciutto cotto, which becomes an excellent deli sandwich meat or a nice complement to a main dish.
rigid frame. Definition. A structural framing system in which all columns and beams are rigidly connected; there are no hinged joints. Picture of rigid frame.
Chain tensioner on a single-speed bicycle. Hydraulic bolt tensioner. A tensioner is a device that applies a force to create or maintain tension. The force may be applied parallel to, as in the case of a hydraulic bolt tensioner, or perpendicular to, as in the case of a spring-loaded bicycle chain tensioner, the tension it creates.