Fireworks 2
Pyrotechnic articles are articles containing an explosive substance or an explosive mixture of substances designed to produce heat, light, sound, gas or smoke or a combination of such effects through self-sustained exothermic chemical reactions.
Fireworks
Pyrotechnic articles are articles containing an explosive substance or an explosive mixture of substances designed to produce heat, light, sound, gas or smoke or a combination of such effects through self-sustained exothermic chemical reactions.