13.—(1) There shall be provided and maintained for the use of all persons employed in any potters' shop or in any place where clay dust is prepared or where flint or quartz milling or any scheduled process is carried on, a suitable messroom or messrooms which shall be furnished with:—
(a)sufficient tables and chairs or benches with back rests, and
(b)adequate means of warming food and boiling water.
(2) Each room provided as a messroom shall be completely separated from any room in which a process is carried on, shall be placed under the charge of a responsible person, and shall be kept clean and adequately ventilated and lighted and sufficiently warmed for use during meal intervals.
(3) Suitable arrangements shall be made for persons employed in the places and processes specified in paragraph (1) of this Regulation to store their food during working hours.