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During many Chinese traditional festivals, people always discharge of fireworks to celebrate. However, after igniting the fuse, we could not know how long the firecrackers will be detonated, which leads to occur many accidents. It is very dangerous, especially for children. Timing firecracker is a new safety firecracker, and there is a plastic figure on the fuse. This is useful to tell
Igniters about the number of seconds for burning fuse. It is very convenient for persons to evacuate to a safe area after igniting firecracker, and protect the personal safety.