How many types of fireworks are there?
There’s indoor, outdoor and “outdoor close proximity.” Indoor is a specific pyro technique that uses a cold spark–you can set off a device, like a fountain, hold your hand over it and you won’t get burned. Outdoor close proximity is the same, just larger. The cold spark fireworks are a lot different than your standard Fourth of July fireworks and about five times as expensive. For outdoors, there are your Class B fireworks, which are the Fourth of July big shells, and Class C, which are consumer fireworks like sparklers and fountains. You can’t use these inside because they put off a toxic smoke and have a hot fallout. What advances have there been in firework technology? Within the last five years, they’ve been able to make a real blue, which they couldn’t make before. They’ve also started putting computer chips in fireworks to make the displays more accurate, for better choreography. They have also made the indoor fireworks safer. The specifications are more precise. So if you want
