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| Comet (pyrotechnics) ： ウィキペディア英語版 |
Comet (pyrotechnics)
In pyrotechnics a comet is a block attached to the outside of a shell or launched freely, which burns and emits sparks as the shell is rising, leaving a trail in the sky. Some comets use a matrix composition with small stars embedded in it. The matrix composition burns with little light but ignites the stars, producing the effect. Some freely-launched comets contain crossette breaks, which explode and break the comet into pieces to produce a branching effect.
Comets intended for use indoors near an audience, such as at a rock concert, are typically freely-launched projectiles designed to completely consume themselves to reduce the hazard to audience members.
File:Jeffhardyentrancepyrophilly.JPG|Jeff Hardy using the comet pyrotechnics in his ring entrance
==External links==
*(A pyroguide article on Comets )
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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