(b) the description of explosives to be used in the mine, the mode of using and of storing such explosives, and of making and atemming holes, and the times at which and the manner in which shots are to be fired in the mine; and
(c) the number or class of persons, if any, to be permitted to remain in the mine or any part thereof whilst shots are being fired; and
(d) the watering or efficient damping of the mine or any ways or places therein; and
(e) generally the precautions to be adopted for the prevention of accidents from inflammable gas and coal dust.
(2.) While any special rules made under this section are in force in any mine, any general rule contained in section forty- nine of the principal Act, and any special rule established under the principal Act, shall, if and so far as it is inconsistent with any special rules made under this section, be suspended in relation to that mine.
Representation of workmen on arbitration. 2. Where any matter in difference is referred to arbitration under the principal Act, a majority of the workmen employed in the mine to which the arbitration relates may, on giving such security, if any, as may appear to the arbitrators or umpire sufficient to provide for the costs occasioned by such representation, appoint any person to represent the workmen, or any class of them, on the arbitration, and any person so appointed shall be entitled to attend and take part in the proceedings of the arbitration to such extent and in such manner as the arbitrators or umpire may direct, and be subject to the same liability with respect to costs so occasioned as if he were a party to the arbitration.
Plan of mine in working. 3. The plan required to be kept in pursuance of section thirty-four of the principal Act shall show the position of the workings therein mentioned with regard to the surface, and the position, extension, and direction of every known fault or dislocation of the seam with its vertical throw.
Plan of abandoned mine. 4.—(1.) For sub-sections (1) and (2) of section thirty-eight of the principal Act shall be substituted the following subsections:—
"(1.) Where any mine or seam is abandoned, the person who is owner of the mine or seam at the time of its abandonment shall, within three months after the abandonment, send to a Secretary of State:
(i.) An accurate plan of the mine or seam, being either the original working plan or an accurate copy thereof made by a competent draughtsman, and showing —
(a) the boundaries of the workings of the mine or seam, including not only the working faces but also all headings in advance thereof, up to the time of the abandonment;
(b) the pillars of coal or other mineral remaining unworked;
