140 Instructions as to use of means of escape in case of fire. Ch. 30. No. 2.] Factories. for use as a factory after the coming into operation of this section, all other doors affording a means of exit from the factory for persons employed therein, shall, except in the case of sliding doors, be constructed to open outwards. (3) In any factory constructed or converted for use as a factory before the coming into operation of this section, in which more than ten persons are emploved in the same building above the ground floor, any door, which is not kept continuously open, at the foot of a staircase affording a means of exit from the building shall, except in the case of sliding doors, be constructed to open outwards. (+) Every hoistway or liftway inside a_ building constructed after the coming into operation of this section shall, subject as hereinafter provided, be completely enclosed with fire resisting materials, and all means of access to the hoist or lift shall be fitted with doors of fire resisting materials: Provided that any such hoistway or liftway shall be enclosed at the top only by some material easily broken by fire, or be provided with a vent at the top. (5) Every window, door, or other exit affording means of excape in case of fire or giving access thereto other than the means of exit in ordinary use, shall be distinetly and conspicuously marked by a notice printed in red letters of an adequate size. (0) Where m any factory more than twenty persons are employed in the ‘ame building, or explosive or highly inflammable materials are stored or used in any building in which persons are employed, effective provision shall be made for giving warning in case of fire, which shall be clearly audible throughout the building. (7) The contents of any room in which persons are employed shall be so arranged or disposed that there is a {ree passage-way for all persons employed in the room to 2 Means of escape in case of fire. 28. Where in any factory more than twenty persons are employed in the same building above the ground floor, or explosive or highly inflammable materials are stored or used in any building where persons are employed, effective steps shall be taken to ensure that all the persons employed