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.
Safe Fueling and Gasoline Handling Guidelines. NEVER COMPROMISE SAFETY! Only use gasoline as an engine or appliance fuel as and when specifically recommended by the. engine or appliance manufacturer. Never use gasoline to wash your hands. Do not use it as. cleaning solvent, barbecue starter, etc. Report spills and/or accidental exposure to the station attendant.