The cover has a corresponding diametrically extending sealing surface adapted to engage the sealing edge of the partition to form a seal to prevent {TAIL ~ mixing} of the contents of the compartments when the cover is in place on {HEAD ~ the container} 
The cover has a corresponding diametrically extending sealing surface adapted to engage the sealing edge of the partition to form a seal to prevent { TAIL ~ mixing } of the contents of the compartments when the cover is in place on { HEAD ~ the container }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD