http://www.w3.org/ns/prov#value | - Aperture 19 is smooth as is portion 20 of the bolt 21 disposed therein, so as to permit free turning of the bolt. ' To mount the component 11, a turning tool such as a screwdriver is inserted in the slot 25 through the aperture 15 and a slight pressure is applied to the component to initiate engagement of the threaded end of bolt 21 with the threaded aperture 15.
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