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ISO 12100 (Safety of Machinery): Sets general, fundamental principles for design, risk assessment, and reduction (Type A standard).
ISO 13849-1 (Safety-Related Parts of Control Systems): Defines performance levels and categories for safety-related components (Type B standard).
ISO 13850 Safety of machinery – Emergency stop function – Principles for design
And that's just some of them.
[1] https://en.wikipedia.org/wiki/Let%27s_trim_our_hair_in_accor...