Associated science for apprentices. Aluminium, alumina, aluminous. The basic elementary chemistry.
D000497:Alloys / Q000592:standards; D000535:Aluminum / Q000592:standards; D003776:Dental Porcelain / Q000592:standards; D003813:Dentistry
D000497:Alloys; D003776:Dental Porcelain; D000535:Aluminum