{HEAD ~ Canister sizing} for the example embodiment provides {TAIL ~ the capability} to hold at least 1 litre of water 
{ HEAD ~ Canister sizing } for the example embodiment provides { TAIL ~ the capability } to hold at least 1 litre of water
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH