Item specialised section 221OA of section 221N of number plumbing work the Act the Act 1 Backflow Water supply work Water supply work prevention work 2 Refrigerated Mechanical Mechanical services work services work work 3 Type A Gasfitting work Gasfitting work appliance conversion work 4 Type A Gasfitting work Gasfitting work appliance servicing work 5 Type B Gasfitting work Gasfitting work gasfitting work 6 Type B Gasfitting work Gasfitting work gasfitting Type B gasfitting Type B gasfitting advanced work work work
Item number specialised plumbing work section 221OA of the Act section 221N of the Act 1 Backflow prevention work Water supply work Water supply work 2 Refrigerated work Mechanical services work Mechanical services work 3 Type A appliance conversion work Gasfitting work Gasfitting work 4 Type A appliance servicing work Gasfitting work Gasfitting work 5 Type B gasfitting work Gasfitting work Gasfitting work 6 Type B gasfitting advanced work Gasfitting work Type B gasfitting work Gasfitting work Type B gasfitting work
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