(3)"the Commission" means the [West Bengal] Smoke-nuisances Commission constituted under this Act;[(4) the expression "owner" when used with reference to a furnace, flue or chimney, means-(i)any person who owns the furnace, flue or chimney;(ii)any agent or hirer using the furnace, flue or chimney; and(iii)any, foreman or other person superintending the working of the furnace, flue or chimney; and][(5) "Magistrate" means a Metropolitan Magistrate or a Judicial Magistrate of the First Class;]
