> can stand up well in harsh environments. As an anecdotal evidence... I was working with one team that was tasked to create device for work in harsh environm

> can stand up well in harsh environments. As an anecdotal evidence... I was working with one team that was tasked to create device for work in harsh environment. Problem is that they cannot use even mechanical knobs there. Capacitive buttons were the only option. But the control panel can be dirty preventing normal operation. They came up with the smart idea - in order to start the device operator shall rub all control panels of the device so touching two adjacent buttons (by special scouring/cleaning pad) and in particular order.