A worker assembles parts of a rocket firework at Southern Fireworks Manufacturer’s factory in in 2008 in Liuyang, China, in Hunan province, Thursday June 19, 2008. Most American fireworks are imported from China. (AP Photo/Eugene Hoshiko)

A worker assembles parts of a rocket firework at Southern Fireworks Manufacturer’s factory in in 2008 in Liuyang, China, in Hunan province, Thursday June 19, 2008. Most American fireworks are imported from China. (AP Photo/Eugene Hoshiko)