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:1. In speech, the production and use of speech sounds. 2. In dentistry, the contact of the occlusal surfaces of the teeth.3. In anatomy, a joint (an area where two bones are attached for the purpose of motion of body parts). An articulation, or joint, is usually formed of fibrous connective tissue and cartilage.