| http://www.w3.org/ns/prov#value | - a pin associated with said pin connection assembly, said pin is arranged to extend into one of said holes in a locked position and retract out of one of said holes in an unlocked position, said pin including an end that extends through one of said holes in said locked position, said end having an end surface including an end feature selected from at least one ramped portion and at least one steppe
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