Moreover, with {TAIL ~ labelled cover} 40 attached to filled vessel 10, the now unitary container 8 is easily stacked and stored, as bottom 12 of {HEAD ~ vessel} 10 will solidly engage the substantially flat panel 46, rim 44 and cover shield 48 of cover 40 of other unitary filled collection containers 8 
Moreover , with { TAIL ~ labelled cover } 40 attached to filled vessel 10 , the now unitary container 8 is easily stacked and stored , as bottom 12 of { HEAD ~ vessel } 10 will solidly engage the substantially flat panel 46 , rim 44 and cover shield 48 of cover 40 of other unitary filled collection containers 8
OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD 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