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, which is also referred to as Mandarin, is the official language of the People's Republic of China and Taiwan (Republic of China) and one of the four official languages of Singapore.It is also one of the most frequently used varieties of Chinese among Chinese diaspora communities internationally.inguists use the term Mandarin to refer to the diverse group of dialects spoken in northern and southwestern China, which Chinese linguists call GuÄnhua. GuÄnhuÃ  the alternative Term (bÄifÄnghua/bÄifÄnghuÃ ), åæ¹è¯ åæ¹è©± or(northern), dialect s is used less and Less among. chinese linguists