In everyday life, it will have to involve many substances due to things that are around us is all chemicals. When applied to benefits may cause adverse effects. Which is harmful to living things and the environment. If the use is not valid. Use in quantities too. Use and not stored appropriately, or no knowledge of the substance, so that the chemical properly and safely should do the following.1. the user should have a knowledge of the properties of the substances that will be used. How to use and maintain such substances as pesticides or spray-type substances should be stored in a far from heat because it may explode and should be kept in a place where kids pick up?
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