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Yellow H fire hydrant location sign on a lamp post showing diameter of water main and distance from sign, Wales, UK Stock Photo - Alamy
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Yellow sign on lamp posts that say "this plate could save your life" - how could they save my life? : r/AskUK
Birmingham Live - The bright yellow signs are a common sight on lamp posts up and down the UK - and help to save lives. Full story: https://bit.ly/3TU8p8u | Facebook
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People are finally realising what the H signs on lampposts mean - and it isn't for helicopter - Grimsby Live
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