difference (enginnering graphix)

what is the difference between first angle projection & third angle projection??????????

― sudarshan p.k., Wednesday, 14 March 2007 15:06 (seventeen years ago) link

(enginnering graphix)

http://a248.e.akamai.net/7/248/430/20050618110924/www.mercksource.com/ppdocs/us/cns/content/krames/diagnosis/1193_01_erectile_dysf/images/5a1193.jpghttp://a248.e.akamai.net/7/248/430/20050618110924/www.mercksource.com/ppdocs/us/cns/content/krames/diagnosis/1193_01_erectile_dysf/images/5b1193.jpg

― Confounded (Confounded), Wednesday, 14 March 2007 16:30 (seventeen years ago) link