1. Dr. Mohammad Salameh Al Harahsheh and Dr. Waleed Mohammad Khalifa for their translation from English into Arabic of the book Metal from Ores: An Introduction to Extractive Metallurgy. This book of Fathi Habashi provides key scientific knowledge for students and researchers in the fields of mining and chemical engineering. The translation of this book is a remarkable addition that contributes to meeting the needs of the Arabic library to such sciences. The translators successfully and accurately render the content of original book into a language that is clear, appropriate, and characterized with a scientific style.