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Display FireworksFirework devices primarily intended for commercial displays. Constituted as "Class B" Fireworks whereby salutes contain more than 130 mg. of explosives composition, aerial shell contain more than 40 grains (1.4 oz.) of chemical composition exclusive of lift charge.
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Display Fireworks(formerly known as special fireworks) Large fireworks articles designed to produce visible or audible effects for entertainment purposes by combustion, deflagration, or detonation.
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