The mobile contact can consist of a freely swinging lever that intercepts the path of the coins close to {HEAD ~ the entrance} of the path, while the fixed contact can consist of a metal piece defining the rolling route for {TAIL ~ the coins} 
The mobile contact can consist of a freely swinging lever that intercepts the path of the coins close to { HEAD ~ the entrance } of the path , while the fixed contact can consist of a metal piece defining the rolling route for { TAIL ~ the coins }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL