161. Without prejudice to sections 9 and 10 of the Act, an employer shall—

(a) provide information to the employer’s employees or representative, or both, as regards measures to be taken concerning safety or health signs used at work especially signs incorporating words and the general and specific behaviour to be adopted in relation to those signs, and

(b) give the employer’s employees suitable instruction, in particular in the form of specific directions concerning the safety or health signs used at work, which must include the meaning of the signs.