14. No woman or male young person under eighteen years of age shall work or remain in a room into which basic slag is brought.
Persons under eighteen years of age shall not be employed in beating sacks which have contained basic slag.
15. No person employed in breaking or grinding, emptying, packing, or storing basic slag, shall work more than ten hours daily.
There shall be intervals during working hours amounting in the aggregate to two hours, one of them lasting at least an hour. If duration of employment daily is limited to seven hours with never longer than four hours’ work without an interval, only one interval of at least one hour is required.
16. For work mentioned in Para. 15 no person shall be employed without a certificate from an approved surgeon stating that he is free of disease of the lungs and not alcoholic. The occupier shall place the supervision of the health of the workers under a surgeon who shall examine them at least once a month for signs of disease of the respiratory organs and alcoholism. Workers engaged in the operations mentioned in Para. 15 shall be suspended from employment when the surgeon suspects such illness or alcoholism. Those showing marked susceptibility to the effect of basic slag dust shall be permanently suspended.
17. A health Register shall be kept in which shall be entered the precise employment, duration of work, and state of health of the persons employed.
18. The occupier shall obtain a guarantee from the workers that no alcohol or food shall be taken into the workrooms.