Nelson Rolihlahla Mandela was the first South  African president to be elected in a fully representative  democratic election in 1994. He was also the first non-European  pâ¦resident of South Africa.     He was born 18 July 1918 in South Africa.
Semi-adjustable articulator with mounted casts. An articulator is a mechanical device used in dentistry to which casts of the maxillary (upper) and mandibular (lower) teeth are fixed, reproducing recorded positions of the mandible in relation to the maxilla.
articulation: the use of the lips, teeth and tongue to make sounds or the clarity with which words are uttered. aside: a performance convention in which a line spoken by a character directly to the audience is not heard by other actors onstage. back to back: a process convention in which two people explore ideas in drama while seated or standing back-to-back.