...and five o'clock in the morning. 2. In coal and lignite mines work may be carried on in the interval between ten o'clock in the evening and five o'clock in the morning, if an interval of ordinarily fifteen hours, and in no case of less than thirteen hours, separates two...

...evening and four o'clock in the morning may be substituted in the baking industry for the interval between ten o'clock in the evening and five o'clock in the morning. f. To what classes »f undertakinys should the prohibition apply ? Many of the replies of the Governments...

...Convention, the term "night" signifies a period of at least eleven consecutive hours, including the interval between ten o'clock in the evening and five o'clock in the morning. In coal and lignite mines work may be carried on in the interval between ten o'clock in the evening...