Download or read book International Journal of Engineering Research in Africa Vol. 40 written by Akii Okonigbon Akaehomen Ibhadode and published by Trans Tech Publications Ltd. This book was released on 2018-12-18 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: We are glad to present our readers with the 40th volume of International Journal of Engineering Research in Africa. This volume contains articles describing the research results in the fields of materials science, mechanical engineering, power distribution and power control, construction materials and technologies, technological processes in the wastewater treatment and industrial engineering. The articles will be useful for many engineers as well as for academic teachers and students majoring in these fields of engineering science.