This is a short account showing how technology changes to render the workplace in these industries more acceptable and to minimize pollution of the environment. The book is illustrated by 70 photographs and drawings and contains extensive bibliographic references.Table of Contents: 1. Introduction 3. Iron and Steel Industry 4. Aluminum Industry 6. Hydrometallurgical Processes 7. Radioactive Ores 8. Industrial Minerals 9. Electroplating Industry 10. Sources of Information. Translated into Vietnamese in 2005