Firecrackers are used all over the world during New Year's Eve, some festivals and to celebrate different social as well as religious occasions. Explosions of firecrackers, especially on New Year's Eve, is enormous and some people are subjected to a peak sound pressure levels, which excide permissible level, and can cause loss of hearing. In many cases, firecracker explosions present a source of annoyances and stress-related diseases, so for people as well as for wild and domestic animals. In addition, they present a fire hazard and risk of personal injuries (burns of body and face, loss of...