Ventilation.- (1) For the purposes
of preventing injury to the health of the persons
working therein, every industrial premises shall
maintain such standards of lighting, ventilation
and temperature, as may be prescribed.
(2) Wherever dust or fume or other impurity
of such a nature and to such an extent as is
likely to be injurious or offensive to the persons
employed in any industrial premises is given
off by reason of the manufacturing process carried
on in such premises, the competent authority
may require the employer to take such effective
measures as may prevent the inhalation of such
dust, fume or other impurity and accumulation
thereof in any work room.