This essay falls into three parts - CIIS

Furthermore, the relative simplicity of the parts designed, along with the use of stock items such as the lead screws, nuts, and ball bearings will reduce production cost even more. Considering that the cost of a myo-electric hands ranges from $14,000 to $70,000 [Davies et al., 1970], the savings passed on to the end user could be significant. ................
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