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.
Fire, combustion, and illness due to inhalation are a few of the potentially tragic consequences of gasoline. Anywhere there is gas, there is potential for danger, but you can reduce risk of tragedy by paying attention to potential hazards and taking precaution when filling gas cans.. Remove the gas can from your vehicle prior to filling it. Never fill a gas can that is located inside a vehicle or in the bed of a truck. The can is not grounded from electrical charge if it is in a vehicle.