(2) In this section, “mortgaged goods” includes any goods and chattels of any kind, and any animals, and any progency of any animals, and any crops or produce of the soil, whether growing or severed, which are subject for the time being, by virtue of the provisions of any written law or of any written instrument, to a valid charge or lien by way of security for any debt or obligation. 282. Fraudulent dealing in minerals. Any person who takes, conceals or otherwise disposes of any ore or any metal or mineral in or about a mine, with intent to defraud any person, commits a felony and is liable to imprisonment for five years. 283. Fraudulent appropriation of power. Any person who fraudulently abstracts or diverts to his or her own use or to the use of any other person any mechanical, illuminating or electrical power derived from any machine, apparatus or substance, the property of another person, commits a felony and is liable to imprisonment for five years. 284. Unlawful use of vehicles, animals, etc. Any person who, unlawfully and without colour of right, but not so as to be guilty of stealing, takes or converts to his or her own use or to the use of any other person, any draught or riding animal or any vehicle or cycle, however propelled, or any vessel, commits a misdemeanour and is liable to imprisonment for six months or to a fine of one thousand shillings or to both such imprisonment and such fine. CHAPTER XXVII—ROBBERY AND EXTORTION. 285. Definition of robbery. Any person who steals anything and at or immediately before or immediately after the time of stealing it uses or threatens to use actual violence to any person or property in order to obtain or retain the thing stolen or to prevent or overcome resistance to its being stolen or retained commits the felony termed robbery.