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In a cutter, force acts on the joint in mostly
a single plane. Thus the precision with which
the joint keeps the edges in alignment together
with the actual performance of the cutting edges
is a key evaluation factor.
By comparison, the joint in a holding plier must
be able to withstand the very high and often simultaneous
force of multiple plane actions such as holding
and twisting in combination with pushing or pulling.
In addition, actual wear on the jaws is often
secondary to the concern with the ultimate strength
and resistance to breakage of the jaws with maximum
force applied.
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