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.
To further reduce risk, consider these safety tips: 1  Use EPA approved cans to reduce vapor exposure. 2  Keep gas cans away from children and animals. 3  Store flammable liquids in a cool, dry location. 4  Avoid storing gas cans in the trunk of a vehicle. 5  When possible, store gas cans in a building instead of a vehicle.