IEC 62236 is based on EN 50121 and is divided into five parts, with the same titles as the relevant parts of EN 50121.
IEC 62236 is based on EN 50121 and is divided into five parts, with the same titles as the relevant parts of EN 50121.
"The enemy of safety is complexity."
Behind Human Error, Woods et al, Ashgate 2010 p 23
"Knowledge and error flow from the same mental sources, only success can tell one from another."
Ernst Mach, 1905