It is known for munition rounds to be packaged in canisters with {HEAD ~ shock absorbing end caps} shaped to resist {TAIL ~ rolling movement} of the canisters 
shaped to resist
It is known for munition rounds to be packaged in canisters with { HEAD ~ shock absorbing end caps } shaped to resist { TAIL ~ rolling movement } of the canisters
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH