User contributions for Num Lock
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22 January 2017
- 18:3318:33, 22 January 2017 diff hist +359 N File:Blacklight.jpg Типичный прибор для проверки купюр на подлинность мягким ультрафиолетовым излучением. A typical device for bank note authenticity checking using longwave ultraviolet radiation.... current
- 18:2118:21, 22 January 2017 diff hist +3 File:Drb-8.jpeg →Summary current
- 18:2018:20, 22 January 2017 diff hist +247 N File:Drb-8.jpeg Самодельный бактерицидный облучатель на лампе ДРБ-8. Homemade germicidal fixture with DRB-8 tube. Лицензия/license: Creative Commons Zero 1.0.
