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.
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.