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https://telegra.ph/Whats-The-U....gly-Truth-About-Gas-
What Does a Gas Safety Engineer Do? A gas safety certificate, or CP12, is an official document that shows your gas appliances, fittings and flues are safe. It is a legal requirement for landlords to get one for all of their homes. Only a Gas Safe Registered (former CORGI) engineer must perform gas work. They will show you their Gas Safe Register ID card, which has an unique licence number. Credential