{HEAD ~ The diameter} of {TAIL ~ the beer keg} is smaller and spaced from the inner diameter of the container so that the space therebetween may be packed with ice cubes or crushed ice to keep the beer keg cold 
of
{ HEAD ~ The diameter } of { TAIL ~ the beer keg } is smaller and spaced from the inner diameter of the container so that the space therebetween may be packed with ice cubes or crushed ice to keep the beer keg cold
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH OTH