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.
Despite being the official language of China, Mandarin Chinese is not the only language spoken there. Most Chinese people learn Mandarin at school, but may use a different language or dialect for everyday communication.Mandarin is most widely spoken in northern and southwestern China.The most common language in Hong Kong and Macau is Cantonese. Similarly, Mandarin is not the only language of Taiwan.espite being the official language of China, Mandarin Chinese is not the only language spoken there. Most Chinese people learn Mandarin at school, but may use a different language or dialect for everyday communication.