(s) for providing against explosions or ignitions 2[ of inflammable gas or dust] or irruptions of or accumulations of water in mines and against danger arising therefrom and for prohibiting, restricting or regulating the extraction of minerals in circumstances likely to result in the premature collapse of 2[ workings] or to result in or to aggravate the collapse of 2[ workings] or irruptions of water or ignitions in mines;