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.
If a child with an articulation disorder has multiple distortions, the speech-language pathologist addressing articulation skills will usually target the earlier-developing sounds first. For example, if a child misarticulates the /k/ sound and the /s/ sound, the /k/ will be the first sound targeted because children are generally expected to master it by age 4, whereas the /s/ sound may be mastered by as late as age 8.