§ "To constitute and incorporate a Joint Board, consisting of representatives of the Urban District Councils of Abercarn, Abertillery, Ebbw Vale, Nantyglo, and Blaina and Risca, all in the county of Monmouth; and to authorise the Board to construct main trunk sewers and other works for the disposal of the sewage of such districts; and for other purposes," read the first time; to be read a second time.