Hours of work. From fixed to flexible? [general survey of the reports concerning the Hours of work (industry) convention, 1919 (no. 1), and the Hours of work (commerce and offices) convention, 1930 (no. 30) : third item on the agenda : Information ad reports on the application of conventions and recommendations : report of the Committee of Experts on the Application of Conventions and Recommendations (articles 19, 22 and 35 of the Constitution)]