The following are links explaining first and third angle projections:
 

• http://tpub.com/content/engineering/14069/css/14069_156.htm
• http://en.wikipedia.org/wiki/Orthographic_projection
• http://www.technologystudent.com/designpro/ortho1.htm
• http://www.technologystudent.com/designpro/ortho2.htm

The following is an article and image of the wiring in the Airbus A380 in a 3D model
 

• http://money.cnn.com/galleries/2007/fortune/0702/gallery.airbus_delays.fortune/2.html
• http://money.cnn.com/magazines/fortune/fortune_archive/2007/03/05/8401277/index.htm