Rocket (firework) century. Yet with all these drawbacks fireworks will continue to maintain their use as a traditional pastime with an ongoing history of nearly 5,000 years. Rocket (firework) A rocket is a pyrotechnic firework made out of a paper tube packed with gunpowder that is propelled into the air. Types of rockets include the skyrockets, which have a stick to provide stability during airborne flight; missiles, which instead rotate for stability or are shot out of a tube; and bottle rockets, smaller fireworks – 1½ in (3.8 cm) long, though the attached stick extends the total length to approximately 12 in
Cake of all-purpose flour. Some recipes explicitly specify or permit all-purpose flour, notably where a firmer or denser cake texture is desired. A cake can fall, whereby parts of it sink or flatten, when baked at a temperature that is too low or too hot, when it has been underbaked and when placed in an oven that is too hot at the beginning of the baking process. The use of excessive amounts of sugar, flour, fat or leavening can also cause a cake to fall. A cake can also fall when subjected to cool air that enters an oven when the