{HEAD ~ The barrier} comprises {TAIL ~ a sheet} of dielectric material positioned over the upper surface of a shed but spaced away therefrom, the sheet extending radially outwardly to overhang the periphery of the shed 
comprises
{ HEAD ~ The barrier } comprises { TAIL ~ a sheet } of dielectric material positioned over the upper surface of a shed but spaced away therefrom , the sheet extending radially outwardly to overhang the periphery of the shed
HEAD HEAD HEAD HEAD HEAD HEAD REL 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