Through the information access and supplies research, for themselves, or family, or friends choose a suitable daily chemicals (can be cosmetics, cleaning supplies, daily disinfectant, pesticide four categories of supplies in one or more ), Write a research report asking for a description of the reasons for the selection of the article, a brief description of the process of access to information and supplies, description of the composition of the supplies, efficacy, use and precautions, and explain how to avoid negative health or the environment influences. The report should be closely integrated with the actual needs, clear objectives, clear thinking, primary and secondary, statement fluency, system integrity, have their own analysis and evaluation. Title is set. Suggested length: about 2500-3500 words (70 points).
For their own is the best
Cosmetics do not blindly pursue the so-called big brand, according to their own skin choice. I personally prefer herbal class, very comfortable to use, the harm to the skin is relatively small ~
This looks very difficult, the company to use it? Or your own to complete it, so that when the report only content, do not understand the small problems come to ask you, I teach chemistry, understand a little, for example, toilet cleaning (ingredients are hydrochloric acid) and 84 disinfectant Ingredients of sodium hypochlorite) can not be used together, otherwise there will be chlorine poisoning!
