Subject to the provisions of section 51, no adult worker shall be required or allowed to work in a factory for more than nine hours in any day: 1[Provided that, subject to the previous approval of the Chief Inspector, the daily maximum specified in this section may be exceeded in order to facilitate the change of shifts.]
<span style="margin-left:15px;"></span>Subject to the provisions of section 51, no adult worker shall be required or allowed to work in a factory for more than nine hours in any day:<br> <span style="margin-left:15px;"></span> <sup>1</sup>[Provided that, subject to the previous approval of the Chief Inspector, the daily maximum specified in this section may be exceeded in order to facilitate the change of shifts.]<br><br>