158 Building operations and works of engineering construction, Ch. 30. No. 2.] Factories. (d) the provisions of Part X with respect to general registers (so far as applicable), preservation of registers and records, dutics of persons employed and the prohibition of deductions from wages; (ec) the provisions of Part XI with respect to powers and duties of inspectors and to regulations and orders of the Governor in Council or the Governor; (f) Part AIT; (g) the provisions of Part AIII with respect to Crown Factories; (kh) Part XIV and for the purpose of such provisions the ship shall be deemed to be a factory, and any person undertaking such work shall be deemed to be the occupier of a factory. (2) Nothing in this Ordinance shall apply to any such work as aforesaid done by the master or crew of a ship or done on board a ship during a trial mun. Works of Building and Engineering Construction. 49. (1) Subject as heremafter in this section provided, the provisions of this Ordinance hereimafter in this sub- section mentioned shall apply to building operations and works of engineering construction undertaken by way of trade or business, or for the purpose of any industrial or commercial undertaking, and to any line or siding which is used in connection therewith and for the purposes thereot and is not part of the Trinidad Government Railway that is to say— (a) the provisions of Part II] with respect to sanitary conveniences; (b) the provisions of Part IV with respect to prime movers, transmission machinery, other machinery construction and maintenance of fencing, construction, and sale of new machinery, cleaning of machinery in motion, steam boilers, air pressure containers and the power of a court of summary jurisdiction to make orders as to dangerous conditions and practices; (c) the provisions of Part V with respect to the power to make regulations and orders and the power to take samples ;