Section 20: Construction and disposal of new machinery

(1) In the case of any machine in a factory being a machine intended to be driven by mechanical power-
(a) every set-screw, bolt or key on any revolving shaft, spindle, wheel or pinion shall be so sunk, encased or otherwise effectively guarded as to prevent danger; and
(b) all spur and other toothed or friction gearing, which does not require frequent adjustment while in motion, shall be completely encased unless it is so situated as to be safe as it would be if completely encased.
(2) Any person who manufactures, assembles, sells or lets on hire or who as an agent of the manufacturer, assembler, seller or hirer causes or procures to be sold or let on hire for use in a factory in Nigeria, any machine intended to be driven by mechanical power which does not comply with the requirements of this section shall be guilty of an offence and liable on conviction to a fine not exceeding N5,000.
(3) The Minster may by order published in the Gazette extend the provisions of this section to such other dangerous part of machinery or plant as may be specified in the order.