Fireworks is released at once. Similar to a chrysanthemum, but with long-burning silver or gold stars that produce a soft, dome-shaped weeping willow-like effect. Fireworks pose risks of injury to people, and of damage, largely as a fire hazard. Fireworks produce smoke and dust that may contain residues of heavy metals, sulfur-coal compounds and some low concentration toxic chemicals. These by-products of fireworks combustion will vary depending on the mix of ingredients of a particular firework. (The color green, for instance, may be produced by adding the various compounds and salts of barium, some of which are toxic, and some of
Consumer fireworks Consumer fireworks Consumer fireworks are fireworks sold to the general public for use. They are generally weaker in explosive power compared to professional displays. Consumer fireworks are often quite small and can be classified into three groups: daytime, nighttime, and novelty fireworks. Daytime fireworks include most bottle rockets, smoke balls, firecrackers, and other fireworks that emit very little or no light. Some examples of daytime consumer fireworks include: Novelty fireworks typically produce a much weaker explosion and sound. In some Countries and areas where fireworks are illegal to use, they still allow these small, low grade fireworks to be used.