114 Ch. 30. No. 2.] Factories. cleaning, or washing, or the breaking up or demolition of any article; or (c) the adapting for sale of any article; being premises in which, or within the close or curtilage or precincts of which, the work is carried on by way of trade or for purposes of gain and to or over which the employer of the persons employed therein has the right of access or control. And (whether or not they are factories by reason of the foregoing definition) the expression ‘‘ factory ’’ also includes the following premises in which persons are employed in manual labour, that is to say- (i) any yard or dry dock (including the precincts thereof) in which ships or vessels are constructed, reconstructed, repaired, refitted, finished or broken up; (ii) any premises in which the business of sorting any articles is carried on as a preliminary to the work carried on in any factory or incidentally to the purposes of any factory: (iii) any premises in which the business of washing or filling bottles or containers or packing articles is carried on incidentally to the purposes of any factory; (iv) any premises in which the business of hooking, plaiting, lapping, making up or packing of varn or cloth is carried on, (v) any laundry carried on as ancillary to another business, or incidentally to the purposes of any public institution, (vi) any premises in which the construction, recon- struction or repair of locomotives, vehicles, or other plant for use for transport purposes is carried on as ancillary to a transport undertaking or other industrial or commercial undertaking, not being any premises used for the purpose of housing locomotives or vehicles where only cleaning, washing, running repairs or minor adjustments are carried out, (vil) any premises in which printing by letterpress, lithography, photogravure, or other similar process, or bookbinding is carried on by way of trade or for purposes of gain or incidentally to another business so carried on,