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. Author manuscript; available in PMC: 2020 Aug 27.
Published in final edited form as: HardwareX. 2019 Oct 11;6:e00084. doi: 10.1016/j.ohx.2019.e00084

Fig. 6.

Fig. 6.

Proper positioning of screws in the Gears. Screws should be turned to where the threading is just exposed and touching the paddle. Screws should not be overtightened.