| http://www.w3.org/ns/prov#value | - If no children are in the house or other facility where the device is to be used and it is difficult for the user to open a child resistant closure, the tongue 7 can be placed in the non-locking position seen in FIGS. 7 and 8, so that the lid 7 closes and is held in place by frictional engagement with the tray 5, but is relatively easy to open.
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