Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text. The English language draws a terminological distinction (not all languages do) between translating (a written text) and interpreting (oral or sign-language communication between users of different languages); under this distinction, translation can begin only after the appearance of writing within a language community.
Ornamental stone beautifies homes, yards and commercial buildings around the world while providing structural support. New technology for inspecting the rock before mining will significantly reduce the environmental impact of the industry.