Section 7 Application to fumes of certain provisions as to grit and dust.

apply all or any of the provisions of sections 2, 3 and 4 of this Act and of sections 18(2), 19(3), 20(4) and 22(1) of the principal Act (provisions relating to grit and dust) to fumes as they apply to grit and dust; and

apply all or any of the provisions of section 3 of the principal Act (requirement that new furnaces shall be so far as practicable smokeless) to fumes as they apply to smoke;