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.
Speech and language articulation is the process by which a person forms words. This is done with different parts of the mouth, jaw, tongue, lips, palate and teeth. A child is considered to have an articulation disorder is if he or she is unable to produce the right sounds to communicate clearly and effectively.