REPUBLIC v. JACKSON Labour—Industrial accident—Failure to report—Significance of phrase "at work at which he was employed" contained in Act 328 s. 10 (1) (b)—Obligations imposed on employer when accident in premises disabling employee from earning wages "at work at which he was employed" for more than three days—W incapacitated from work for 21 days as a result of accident at factory—W paid full wages for the period—Whether employer to report accident to inspectorate—Primary aim of Act 328, s. 10—Employer's obligation to report accident  under stated conditions imperative—Factories, Offices and Shops Act—1970 (Act 328), s. 10 (1) (b).