| http://www.w3.org/ns/prov#value | - cing a drill rod in the frame shown in FIG. 15, when the frame is almost full; FIG. 18 is an enlargement of the drill rod handler as shown in FIG. 17; FIG. 19 is a side elevation of part of a handling apparatus, in the form of a drill rod handler, showing a retaining mechanism including two pairs of jaws for gripping a drill rod; FIG. 20 a is a plan view of a pair of jaws, and corresponding operat
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