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Fireworks shell In fireworks , a burst charge (usually black powder) [ 1 ] is a pyrotechnic mixture placed in a shell which is ignited when the shell reaches the desired height in order to create an explosion and spread the stars .
Pyrotechnic gerbs used in the entertainment industry. Pyrotechnics is the science and craft of creating such things as fireworks, safety matches, oxygen candles, explosive bolts and other fasteners, parts of automotive airbags, as well as gas-pressure blasting in mining, quarrying, and demolition.
Large fireworks displays are launched with complex timing sequences using a computer that energizes electric matches connected to the individual device fuses. A flying fish fuse (bumblebee) is an unusual type of component for fireworks. It is made like Visco fuse, but contains a metallic spark composition or other effect instead of black powder.
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ejection charges – burn fast, produce large amount of gas at short time, used to eject payloads from containers; burst charges – burn fast, produce large amount of gas at short time, used to fragment a container and eject its content; smoke compositions – burn slowly, produce smoke, plain or colored
Health is a video game or tabletop game quality that determines the maximum amount of damage or fatigue something takes before leaving the main game. In role-playing games , this typically takes the form of hit points ( HP ), a numerical attribute representing the health of a character or object.
Black snakes are a popular firework in India, which children play with during the festival of Diwali. Though deemed toxic by the Chest Research foundation and Pune University, black snake fireworks are still in use. The objective of the study was to determine which firework produced the most air pollution in India.
In 1983, an explosion at a secret unlicensed fireworks factory manufacturing M-80 and M-100 fireworks near Benton, Tennessee, killed eleven, injured one, and inflicted damage within a radius of several miles. [3]