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. While many users look for a "free download," it is important to understand the legal and safety implications of accessing this technical document. What is ISO 13857? ISO 13857:2019 (Safety of machinery — Safety distances to prevent hazard zones being reached by upper and lower limbs) provides values for safety distances in both industrial and non-industrial environments. It is designed to help manufacturers and safety engineers ensure that barriers or openings are positioned so that a person cannot touch a dangerous part of a machine. The "Free Download" Reality Standardization bodies like