| http://www.w3.org/ns/prov#value | - Alternatively, if the face portion 42 is made from several pieces, the face portion 42 may include glue or solder or other binding agents that holds the face portion 42 together as a unit and/or that holds the face portion 42 in the drill bit 40, alone or in addition to the retention mechanism 44, such as a ring, bracket or pins.
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