Petroleum engineering
Petroleum engineering (1)
Technological sciences > Technology > Energy technology > Fuels technology > Petroleum engineering![](http://images.videotorium.hu/recordings/6/6c/6c9/mastermedia/thumbnails/6c9_5y7_360_20.png)
Meddig és mit bányásszunk?
Ferenc Kovács
10 years ago - 1:04:13