The intersection has {TAIL ~ a mechanism} for turning the movable section from extending in the direction of the first rails to extending in the direction of the second rails for changing the conveying direction of {HEAD ~ the object} 
The intersection has { TAIL ~ a mechanism } for turning the movable section from extending in the direction of the first rails to extending in the direction of the second rails for changing the conveying direction of { HEAD ~ the object }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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