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