what is a firework
Fireworks are a class of explosive pyrotechnic devices used for aesthetic, cultural, and religious purposes. A fireworks event (also called a fireworks show or pyrotechnics) is a display of the effects produced by firework devices.Fireworks competitions are also regularly held at a number of places.ue to strict laws, sales and use of fireworks are only allowed for 3 days (if one of these days is a Sunday, sales start one day earlier), so everyone must pack all of their fireworks into that period of time.