No traversing part if a self-acting machine in any factory and on material carried therein shall, if the space over which it runs is a space over which any person is liable to pass, whether in the course of his employment or otherwise, be allowed to run on its outward or inward traverse within a distance of forty-five centimetres from any fixed structure which is not part of the machine:
Provided that the Chief Inspector may permit the continued use of a machine installed before the commencement of this Act which does not comply with the requirement if this section on such conditions for ensuring safety as he may think fit to impose.
Safety
Starting A New Manufacturing Process