Piping Joints Hand Book

You can access this file at the URL:
http://groups. yahoo.com/ group/mechanical engr/files/ Piping%20Joints% 20Hand%20Book. pdf

HVAC Design Guide for Tall Commercial Buildings

You can download it from here:
http://hvac- tools.blogspot. com/2009/ 06/hvac-design- guide-for- tall-commercial. html

HVAC Water Chillers And Cooling Towers Handbook

You can download it for free from here:
http://hvac- tools.blogspot. com/2009/ 06/hvac-water- chillers- and-cooling- towers.html

PIPELINE WELDING HAND BOOK

You can access this file at the URL:
http://groups. yahoo.com/ group/mechanical engr/files/ PIPELINE% 20WELDING% 20HAND%20BOOK. pdf