Diamond enhancements are specific treatments, performed on natural diamonds (usually those already cut and polished into gems), which are designed to improve the visual gemological characteristics of the diamond in one or more ways.
Mandarin is the language of instruction of China and Taiwan. Mandarin is one of five major regional languages of China. It spreads wider than any other regional language, from the whole northern part of China down to Yunnan Province in the southwest corner of China.
Although Mandarin (or putonghua) is the standard and official language in mainland China, it has only been around for about 700 or 800 years, compared to the 2000-year history of Cantonese. Cantonese, not Mandarin, is the dominant language in overseas Chinese communities.This comes from the fact that, around the world, the largest flow of Chinese immigrants originates from Hong Kong. Cantonese is mainly an oral language.antonese, not Mandarin, is the dominant language in overseas Chinese communities. This comes from the fact that, around the world, the largest flow of Chinese immigrants originates from Hong Kong. Cantonese is mainly an oral language.