with the material plate further including upper and lower faces extending between the top and bottom edges and between the first and second edges, with the upper and lower faces defining a thickness therebetween in a thickness direction perpendicular to the width and length directions, with the material plate including a plurality of wrench material pieces arranged in the length direction, with each of the plurality of wrench material pieces including first and second ends spaced in the width direction and an interconnecting section interconnected between the first and second ends;shearing each of the plurality of wrench material pieces off from the material plate
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