Check out this Circular ...
Published by Evan Painting, Professional Civil Engineer
2 Comments
well received and many thanks!
Published by wu hao, Technical Expert at Veolia
Dear Evan Painting,
Your attached PDF file is no longer to be reviewed. Would you like to send me this PDF file through E-mail?
Many thanks!
My E-mail address: wuhao8591@foxmail.com
Published by wu hao, Technical Expert at Veolia