Basic Environmental Technology: Water Supply, Waste Management and Pollution Control By Jerry Nathanson, Richard Schneider M.S. P.E. 2014 | 456 Pages | ISBN: 0132840146 | PDF | 23 MB
Electrical and Electronic Principles and Technology 6th Edition (Instructor Resources) by John Bird English | 2017 | ISBN-13: 978-1138422049 | Instructor Resources | PDF | 29.4 MB
Refrigeration and Air Conditioning Technology, 6 edition by Bill Whitman, Bill Johnson, John Tomczyk, Eugene Silberstein English | 2008 | ISBN: 1428319360 | 1360 pages | PDF | 176 MB