Treacherous \Treacher*ous\, a. [See Treacher.] Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless. [1913 Webster] Loyal father of a treacherous son.
Fuel Safety Tips. 1  If you need to transport fuels such as propane, gasoline or oil, it should only be carried in approved containers certified by agencies such as the Canadian Standards Association or Underwritersâ Laboratories of Canada. 2  Containers should never be filled right to the top.
Unsafe and dangerous gas appliances. Caravan / residential park operator Consumer Gas worker Tradesperson. This page is for: The Director of Energy Safety can prohibit the sale/hire/use of an appliance or component if considered that such appliance/component is, or is likely to become, unsafe or dangerous in use.