بويلر:



http://ifile.it/2be51jv/boilers_and_their_operation.flv


http://www.4shared.com/file/92248130...sentation.html

 

 

پمپ:

http://www.4shared.com/file/12145070..._Rod_Pump.html


http://ifile.it/z98fcan/water_pump.mpg

 

 

كمپرسور:

http://www.4shared.com/file/11953577...damentals.ht