No. 5. Factories. 1955.

 (a) the making of any article or of part of any article; or
 (b) the altering, repairing, ornamenting, finishing, 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 any 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 laundry carried on as ancillary to another business, or incidentally
 to the purposes of any public institution;
 (v) any premises in which the construction, reconstruction or repair of
 vehicles or other plant for use for transport purposes is carried
 on as ancillary to a transport undertaking or other industrial or
 commerical undertaking, not being any premises used for the purpose
 of housing vehicles where only cleaning, washing, running repairs
 or minor adjustments -are carried out;
 (vi) any premises in which printing by letter-press, 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;
 (vii) any premises in which the making, adaptation or repair of dresses,
 scenery or properties is carried on incidentally to the production,
 exhibition or presentation by way of trade or for purposes of gain of
 cinematograph films or theatrical performances, not being a stage or
 dressing-room of a theatre in which only occasional adaptation or
 repairs are made;
 (viii) any premises in which the business of making or mending nets is
 carried on incidentally to the fishing industry;
 (ix) any premises in which the mechanical power is used in connection
 with the making or repair of articles of metal or wood incidentally to
 any business carried on by way of trade or for purposes of gain;
 (x) any premises in which articles are made or prepared incidentally to
 the carrying on of building operations or works of engineering
 construction, not being premises in which such operations or works
 are being carried on;
 (xi) any waterworks or other premises in which mechanical power is used
 for the purposes of, or in connection with, a public water supply;