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Why It's Important to Choose a Gas Engineer It's important that any gas-related work is carried out by a qualified and certified engineer. If not, householders are at risk of getting carbon monoxide poisoning. One plumber was recently sent to jail for defying warnings and continuing to do illegal gas work. He was operating under the name APB Home Services Ltd, and used CORGI logos as well as Gas Safe logos. Qualifications Gas engineers are experts in the systems an