For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
APPLIANCES. Embraces all gas-burning appliances intended for use with liquified petroleum.
LIQUIFIED PETROLEUM GAS. Any material which is composed predominantly of any of the following hydrocarbons, or mixtures of them: propane, propylene, butanes (normal butane or isobutane), and butylenes.
(1992 Code, § 6-53)