The underside of the barrier is preferably provided with a number of {TAIL ~ projections} for spacing it away from {HEAD ~ the upper surface} of the shed 
The underside of the barrier is preferably provided with a number of { TAIL ~ projections } for spacing it away from { HEAD ~ the upper surface } of the shed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH