The safety measures stated in this book are just generic guidelines and should not be taken as standards. It does not remove the liability from the reader to use sound engineering practice and established standards to make judgments in specific situations he/she encounters.

Chidi Venantius Efobi obtained a bachelor of engineering degree in mechanical engineering from the University of Nigeria, Nsukka, in June 1985. He has had a long and exciting engineering career with a stint in the steel sector before settling in the petroleum industry. In petroleum, he has had professional experience across the whole gamut of the industry having worked for Oando Energy Services and Shell in Nigeria, with cross border stints in Netherlands and United States of America. He is presently on the staff of Loss Prevention Department of Saudi Aramco, Saudi Arabia. Saudi Aramco is the biggest oil and gas company by production volume and has the biggest plants and facilities in the world. He is a Nigerian, married to Ezioma, and they have two kids, Chima and Chizi. They live in Saudi Aramco camp in Abqaiq (the friendly city), Saudi Arabia.