Elastic beam calculations handbook за авторством Chyu, Jih-Jiang

An electronic book accessible through the World Wide Web; click to view

Chemical feed field guide for treatment plant operators calculations and systems / за авторством Lauer, Bill

An electronic book accessible through the World Wide Web; click to view

Math for wastewater treatment operators grades 1 and 2 a guide to preparing for wastewater treatment operator certification exams / за авторством Giorgi, John

An electronic book accessible through the World Wide Web; click to view

Math for water treatment operators practice problems to prepare for water treatment operator certification exams / за авторством Giorgi, John

An electronic book accessible through the World Wide Web; click to view

Goss's roofing ready reckoner : from timberwork to tiles including metric cutting and sizing tables for timber roof members / за авторством Mindham, C. N. (Chris N.)

An electronic book accessible through the World Wide Web; click to view

Formulas for dynamics, acoustics and vibration / за авторством Blevins, Robert D.

An electronic book accessible through the World Wide Web; click to view

Roofing ready reckoner metric and imperial dimensions for timber roofs of any span and pitch / за авторством Goss, Ralph

An electronic book accessible through the World Wide Web; click to view