Chap.,  §

1   2,    5|         with man's work, whether physical or intellectual. This is
2   2,    6|       the worker the exercise of physical strength, the work of muscles
3   2,    9|          familiar to those doing physical work under sometimes exceptionally
4   2,    9|        of the wearing out of his physical strength (which, at least
5   4,   19|          harmful to the workers' physical health or to their moral
6   4,   21|         and sometimes exhausting physical effort and a lack of appreciation
7   4,   21|  unemployment. Long days of hard physical work are paid miserably.
8   4,   22| attention must be devoted to the physical and psychological working