Despite the joys of flashes and bangs, making fireworks is a highly dangerous business.And the Dancing, the most hazard job is the assembly line, putting explosives inside the shells,takes place in a secluded area cut into the hillside.In such flammable conditions, it is essential to prevent electrical sparks.As staff enter this area, they have to touch this metal pole.That's to prevent static. And it really works.This area has a real calming feel about it and that is quite deliberate,because the job these guys are doing requires precision. It has to be safe.If they get it wrong, the outcome could be catastrophic.The technician carefully adds the balls that will give the firework its colour.And the ingredient which makes it explode, rice kernels, coated with a flammable compound.Once the shell is packed with explosives, it is time to wrap it.Different clients demand a different finish.The Americans like a machine wrap, while the Japanese preferred theirs handcrafted.Everyone here is paid by the firework, so they are very fast workers.So you are really quick at this. How many can you get through a day?