Jisho

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Noun
1. safety factor
Wikipedia definition
2. Factor of safetyFactor of safety (FoS), also known as (and used interchangeably with) safety factor (SF), is a term describing the structural capacity of a system beyond the expected loads or actual loads. Essentially, how much stronger the system is than it usually needs to be for an intended load.
Read “Factor of safety” on English Wikipedia
Read “安全率” on Japanese Wikipedia
Read “Factor of safety” on DBpedia

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