t bamboo sticks in their bonfires oded with a bang REWORKS LEBRATIONS EXPLAINED es the colours? ： explosion of a ally works ntium ) tium is the shelement creates the 1 red light of work. Liftoff rework is blown into the a mortar - essentially a vith more gunpowder at the bottom. Once lit， the tion spreads to the next f material and ignites it. ·Shell rn firework has a plastic which will explode once the charge ignites the vder in the middle of the KS ork. This burns slowly as ork is blown into the air.