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.
Standard Chinese. Standard Chinese, also known as Modern Standard Mandarin, Standard Mandarin, or simply Mandarin, is a standard variety of Chinese that is the sole official language of both China and Taiwan, and also one of the four official languages of Singapore. Its pronunciation is based on the Beijing dialect, its vocabulary on the Mandarin dialects, and its grammar is based on written vernacular Chinese. Like other varieties of Chinese, Standard Chinese is a tonal language with topic-prominent organization