{HEAD ~ The diameter} of the beer keg is smaller and spaced from {TAIL ~ 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 ~ The diameter } of the beer keg is smaller and spaced from { TAIL ~ 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 OTH OTH OTH OTH REL OTH OTH REL 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