A number of these tubes or cases may be combined so as to make when kindled, a great variety of sparkling shapes, often variously colored. Most fireworks consist of a paper or pasteboard tube or casing filled with the combustible material, often pyrotechnic stars. Aerial fireworks may have their own propulsion ( skyrocket) or be shot into the air by a mortar ( aerial shell). They are generally classified by where they perform, either 'ground' or 'aerial'. They may be designed to burn with colored flames and sparks including red, orange, yellow, green, blue, purple and silver. Such displays are the focal point of many cultural and religious celebrations.įireworks take many forms to produce four primary effects: noise, light, smoke, and floating materials ( confetti most notably). They are most commonly used in fireworks displays (also called a fireworks show or pyrotechnics), combining a large number of devices in an outdoor setting. Fireworks on Qatar National Day 2018 in Dohaįireworks are a class of low explosive pyrotechnic devices used for aesthetic and entertainment purposes.
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