Section 5. As used in this Act —

1. "Explosive" shall mean any substance, either solid or liquid, mixture or single compound, which by chemical reaction liberates heat and gas at high speed and causes tremendous pressure resulting in explosion. The term shall include but not limited to dynamites, firecrackers, blasting caps, black powders, bursters, percussions, cartridges and other explosive materials, except bullets for firearm.

2. "Flammable" is any substance or material that is highly combustible and self-igniting by chemical reaction and shall include but not limited to acrolein, allene, aluminum dyethyl monochloride, and other aluminum compounds, ammonium chlorate and other ammonium mixtures and other similar substances or materials.

3. "Corrosive" is any substance or material, either liquid, solid or gaseous, which through chemical reaction wears away, impairs or consumes any object. It shall include but not limited to alkaline battery fluid packed with empty storage battery, allyl chloroformate, allytrichlorosilane, ammonium dinitro-orthocresolate and other similar materials and substances.

4. "Poisonous" is any substance or materials, except medicinal drug, either liquid, solid or gaseous, which through chemical reactions kills, injures or impairs a living organism or person, and shall include but not limited to allyl isothiocyanate, ammunition (chemical, non-explosive but containing Class A, B or poison), aniline oil, arsine, bromobenzyle cyanide, bromoacetone and other similar substances or materials.