| http://www.w3.org/ns/prov#value | - According to other embodiments, the SMA wires 82 a and 82 b may have other cross-sectional shapes, such as oval, square or rectangular shapes, with the second SMA wire 82 b having a greater dimension, resulting in a greater cross-sectional area, which results in a greater actuation force than the first SMA wire 82 a.
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