§ Mr. Litterickasked the Secretary of State for Employment what advice the ACAS has formulated about the appropriate length of the working day necessary to secure the optimum efficiency of 25W unskilled manual workers, skilled manual workers, unskilled clerical workers and intellectual workers respectively; and what steps have been taken to ensure that all employers are made aware of this information in the interests of the health and effectiveness of the working population.
§ Mr. BoothNone. However, the Department of Employment's Work Research Unit would be prepared to offer advice on the subject if requested.