Causing corrosion problems and a large industrial reflected in turn on the economic side, where cost the industry considerable material damage so it had to be the existence of solutions to the problem of corrosion of one of these solutions is the corrosion inhibitors which are chemicals when added in small portions into a system can protect metals from corroding. This book contains five chapters, especially for corrosion inhibitors and how to find solutions to the problems caused by corrosion

We do not consider recycling is the only economic and environmental case, but it is a live event. In recycling, the revival of these residues, which was once a vibrant been utilized in various fields. In addition to the social effects of the re-society through its contribution to the operation of many working hands limiting unemployment. By recycling, we can lessen the waste materials that are placed into landfills and we are able to make the most out of these materials. If we dont recycle, more and more garbage will go to landfills until they all get filled up.

Recycling of materials waste has a lot of benefits that can help people and save the environment as well. Its importance can be observed in many different ways. Recycling different products will help the environment. For example, we know that paper comes from trees and many trees are being cut down just to produce paper. By recycling it, we can help lessen the number of trees that are cut down. Products made from raw materials that came from our natural resources should be recycled so that we can help preserve the environment. It takes less energy to process recycled materials than to process...