Section 30. (1) Nothing in section 28 or section 29 shall apply to

(2) Where it is proved to the satisfaction of the Local Government that any work not specified in Part 150 Factories. [ACT XII (Chapter V.—Special Provisions for Textile Factories. Chapter VI.—Notices and Registers.) Part A of Schedule I is of an urgent nature, or is such as in the interests of efficiency is commonly performed while the main manufacturing process of the factory is discontinued, the Local Government may, subject to the control of the Governor General in Council, by notification in the local official Gazette, exempt any person employed on such work from the operation of section 28 or section 29 on such conditions, if any, as it may impose. Limit of use of machinery. 31. (1) The period for which mechanical power or electrical power is used in any textile factory shall not in any one day exceed twelve hours. (3) Nothing in sub-section (1) shall apply to any mechanical power or electrical power required in connection with any work specified in sub-section (1) of section 30 or in connection with any work which is exempted by the Local Government under sub-section (2) of the same section. Limitation of hours of children. 32. No child shall be employed in any textile factory for more than six hours in any one day. --- 30. (1) Nothing in section 28 or section 29 shall apply to— (a) the work of calendering, finishing, sewing or tailoring, or (b) the work of cloth-printing, bleaching or dyeing, or (c) any work specified in Part A of Schedule I. (2) Nothing in sub-section (1) shall apply to any mechanical power or electrical power while being solely used in aid of the work performed by any person employed in accordance with a system of shifts approved by the inspector.