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.
Some of the more common dangers include: 1  Flammable ingredients. When canned gas is tilted, the liquefied and highly flammable gas can be released into the air and onto surfaces it contacts. 2  Frostbite. The liquid inside canned air can cause frostbite when the skin is exposed to a steady stream. 3  Asphyxiation and toxicity.