rotating means connected to said engaging means for rotating said engaging means in accordance with said indication of the angular position of said engaging means whereby {TAIL ~ the positioning} of {HEAD ~ said tool} to adjust said dimension of said machined surface may be accomplished through said indication of the angular position of said engaging means since said engaging means may grippingly engage said rotatable member regardless of the rotational alignment therebetween 
rotating means connected to said engaging means for rotating said engaging means in accordance with said indication of the angular position of said engaging means whereby { TAIL ~ the positioning } of { HEAD ~ said tool } to adjust said dimension of said machined surface may be accomplished through said indication of the angular position of said engaging means since said engaging means may grippingly engage said rotatable member regardless of the rotational alignment therebetween
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