| http://www.w3.org/ns/prov#value | - Of course, to allow engagement, one of the arm of the L-shaped slot 17 has to open on top of the neck 7 as shown in FIG. 5.As can be easily understood in view of FIG. 5, fixation of the cap onto the container 3 can be made by aligning the inwardly projecting pins 15 of the cap 9 with the slots 17, then moving the cap 9 down until the pins reach the bottom of thevertical arms of the slots 17, and t
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