Page:Workplace Safety and Health Act 2006.pdf/12

12 ::(b) includes any steam boiler, steam receiver, steam container, air receiver, refrigerating plant pressure receiver and gas cylinder;
 * “prime mover” means every engine, motor or other appliance which provides mechanical energy derived from steam, water, wind, electricity, the combustion of fuel or other source of energy;
 * “principal” means a person who, in connection with any trade, business, profession or undertaking carried on by him, engages any other person otherwise than under a contract of service—
 * (a) to supply any labour for gain or reward; or
 * (b) to do any work for gain or reward;
 * “refrigerating plant pressure receiver” means any vessel which contains refrigerant under pressure;
 * “registered medical practitioner” means a person registered or deemed to be registered under the Medical Registration Act (Cap. 174);
 * “regulations” means regulations made under this Act;
 * “repealed Act” means the Factories Act (Cap. 104) repealed by this Act;
 * “self-employed person” means a person who works for gain or reward otherwise than under a contract of service, whether or not employing others;
 * “ship” includes every description of vessel used in navigation, a floating rig, a barge or any platform used in any form of operations at sea;
 * “steam boiler”—
 * (a) means any closed vessel in which, for any purpose, steam is generated under pressure greater than atmospheric pressure; and
 * (b) includes any economiser used to heat water being fed to any such vessel and any superheater used for heating steam;
 * “steam container” means any vessel (other than a steam pipe or coil)—