120 Application of Ordi- nance to young per- sons em- ployed in factories in certain occupations. Cleanliness. Ch. 30. No. 2.] Factortes. employed solely in cleaning a factory or any part thereof, otherwise than in cleaning which is incidental to or con- nected with any process, shall not be deemed for the purposes of regulations or orders made under this Ordinance controlling hours of employment to be employed in the factory. (5) For the purposes of this Ordinance or any regu- lations or orders made thereunder, an apprentice shall be deemed to be a person employed. 4. A young person who works in a factory, whether for wages or not, in collecting, carrying or delivering goods, carrying messages or running errands shall be deemed to be employed in the factory for the purposes of this Ordinance or of any proceedings thereunder. PART III. HEALTH (GENERAL PROVISIONS). 5. Every factory shall be kept in a clean state, and free from effluvia arising from any drain, sanitary convenience or nuisance, and, without prejudice to the generality of the foregoing provision— (a) accumulations of dirt and refuse shall be removed daily by a suitable method from the floors and benches of workrooms, and from the staircases and passages; (b) all such dirt and refuse as aforesaid, and all waste organic matter, whether resulting from any of the processes carried on in the factory or from any other cause, shall be, where practicable, removed daily to a covered pit or receptacle, and effective means shall be provided, maintained and used to prevent, so far as possible, the breeding of flies, mosquitoes or other insects, or rats, mice or other vermin; (c) the floor of every workroom shall be cleaned thoroughly at least once in every week by washing or, if it is effective and suitable, by sweeping or other method; (ad) all inside walls and partitions, and all ceilings