Jisho

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Noun
1. guardrail
Wikipedia definition
2. Guard railGuard rail or guardrail, sometimes referred to as guide rail or railing, is a system designed to keep people or vehicles from (in most cases unintentionally) straying into dangerous or off-limits areas. A handrail is less restrictive than a guard rail and provides both support and the protective limitation of a boundary.
Read “Guard rail” on English Wikipedia
Read “ガードレール” on Japanese Wikipedia
Read “Guard rail” on DBpedia

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