Tecnología bilingüe - Technology (2)

Dwell installations:

• Electrical installations with questions [1].
• Plumbing [2].   
• Simbology for plumbing, professional with questions [3]. 

[1] Electrical installations for "Bachillerato": http://www.scribd.com/doc/14830052/Basic-Electrical-Installation-Work-5th-Edition
[2] Visual dictionary for plumbing and much more http://visual.merriam-webster.com/house/plumbing.php
[3] Simbology for plumbing http://ebooks.narotama.ac.id/files/Architectural%20Drafting%20and%20Design%20%286th%20Edition%29/Chapter%2020%20Plumbing%20Plans.pdf
[4]  Mechanical and Electrical Systems: http://ebooks.narotama.ac.id/files/Building%20Construction%20Illustrated%20%284th%20Edition%29/Chapter%2011%20%20Mechanical%20and%20Electrical%20Systems.pdf