Activity 4 feedback | Open Textbooks for Hong Kong

您在這裡

Available under Creative Commons-ShareAlike 4.0 International License.

Here are some examples of product certification marks you may have found:

Electrical and electronic products:

UL certification by Underwriters Laboratories Inc.
China Compulsory Certification (CCC or 3C) of the Certification and Accreditation Administration (CNCA) of People's Republic of China
Energy Star Certification Program of the US Environmental Protection Agency (EPA)

Food:

瀏覽次數：1313