| http://www.w3.org/ns/prov#value | - The sealing means 40 also comprises a recess 42 or groove in the base 14 which is U-shaped in plan, and a sealing rib 41 of identical plan shape on the lid 16, the cross-sections of the rib and recess being complementary so that the rib is a snap or squeeze fit in the recess to sealingly engage therein.
|
