Section 6

the making of any article or of part of any article;

the altering, repairing, ornamenting, finishing, cleaning, or washing, or the breaking up or demolition of any article; or

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.

any yard or dry dock (including the precincts thereof) in which ships are constructed, reconstructed, repaired, refitted, finished or broken up;

any premises in which the business of sorting articles is carried on as a preliminary to the work carried on in any factory or incidentally to the purposes of any factory;

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;

any premises in which the business of hooking, plaiting, lapping, making up or packing of yarn or cloth is carried on;

any laundry carried on as ancillary to another business or incidentally to the purposes of any public institution;

any premises in which the construction, reconstruction or repair of locomotives, aircraft, 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, aircraft or vehicles where only cleaning, washing, running repairs or minor adjustments are carried out;

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;

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 adaptations or repairs are made;

any premises in which the business of making or mending nets is carried on incidentally to the fishing industry;

any premises in which mechanical power is used in connection with the making or repair of any article incidentally to any business carried on by way of trade or for purposes of gain;

any premises in which the production of cinematograph films is carried on by way of trade or for purposes of gain, so however that the employment at any such premises of theatrical performers and of attendants on such theatrical performers shall not be deemed to be employment in a factory;

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;

any premises used for the storage of gas in a gas-holder having a storage capacity of not less than 140 cubic metres;

any premises in which persons are employed in or in connection with the generating of electrical energy for supply by way of trade, or for supply for the purposes of any industrial or commercial undertaking or of any public building or public institution, or for supply to streets or other public places;

any premises in which mechanical power is used for the purposes of or in connection with a water supply, being premises in which persons are regularly employed;

any sewage works in which mechanical power is used and any pumping station used in connection therewith;

any premises in which building operations or works of engineering construction are being carried on.

no mechanical power, steam boiler, steam container, steam receiver, cast-iron underfired vulcaniser, air receiver, refrigerating plant pressure receiver or gas plant is used; and

no highly inflammable or noxious substance is manipulated, used or created.