Repeated skin contact may result in absorption of harmful amounts. Inhalation: Brief exposure (minutes) is not likely to cause adverse effects. at 100 ppm; higher levels produce eye, nose, and throat irritation and are intolerable at 1000 ppm. Anesthetic effects are seen at or above 1000 ppm.
There are three types of Chinese in general: 1. Mandarin, written using short-form (Simplified Chinese) characters-Mainland China and Singapore 2. Mandarin, written using long-form (Traditional Chinese) characters-Taiwan 3. Cantonese, written using long-form characters-Hong Kong and overseas Chinese.
The standard Chinese language is Standard Mandarin, the official language of both China and Taiwan and one of the six languages used at the United Nations. Hong Kong, Macau, and some other areas speak Cantonese. Native speakers of any Chinese dialect are referred to as sinophones. In addition to the many dialects currently classified, there are a number of regional dialects that have not been studied much. These include Danzhou, Xianghua, and Shaozhu Tuhua.