User contributions
- 11:31, 27 December 2016 (diff | hist) . . (-12) . . Mechanics in XXI century (→Achievements on planet Earth)
- 09:35, 27 December 2016 (diff | hist) . . (-3) . . "Bionic hand prosthesis" (→Scientific advancement)
- 09:27, 27 December 2016 (diff | hist) . . (+16) . . "Bionic hand prosthesis" (→Results)