Free Sparks and Fire Photoshop Brush Set - WeGraphics This set features 12 sparks and flames brushes. The sparks are random and scattered to create a nice special effect for text treatments or backgrounds.
如何防止碳刷打火_百度文库 行動版 - 2011年2月28日 - 高压绕线电机滑环碳刷打火怎么处理电机碳刷一般启动时电流偏大,有火花,正常运行时 ...