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How to set off firecrackers when opening?
There is no fixed pendulum method, and generally the following principles should be followed:

1, should not be a nuisance, should start during the day;

2, to detonate in a safe place, to avoid fire and injury;

3. Set off firecrackers in front of or on both sides of your own store, and coordinate with other businesses to avoid conflicts.

Please refer to the following picture for picture placement: