IEC TR 61258:2008-Guidelines for the development and use of medical electrical equipment educational materials, IEC 60947-5-5:1997/AMD2:2016-Amendment 2-Low-voltage switchgear and controlgear-Part 5-5: Control circuit devices and switching elements-Electrical emergency stop device with mechanical latching function, IEC 63203-201-3:2021-Wearable ele