Translations:Engine tutorial/1/it

Modellazione di un motore completo (guida in corso di realizzazione):
 * 1 - Spinotto e anello di tenuta: http://freecad-tutorial.blogspot.com/2011/09/engine-1-piston-pin-and-pin-ring.html
 * 2 - Cilindro: http://freecad-tutorial.blogspot.com/2011/09/engine-2-cylinder-liner.html
 * 3 - Camma: http://freecad-tutorial.blogspot.com/2011/09/engine-3-cams.html
 * 4 - Albero a camme: http://freecad-tutorial.blogspot.com/2011/09/engine-4-camshaft.html
 * 5 - Ingranaggio dell'albero a camme: http://freecad-tutorial.blogspot.com/2011/10/engine-5-camshaft-gear.html