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
Concave cake icon in China. Concave cakes are commonly made with eggs, egg yolk, low-gluten flour, honey and a small portion of sugar. Regardless of the ingredients, the procedure for making the cake is fairly consistent in all recipes. The mixture of ingredients is creamed using a wooden spoon, whisk, or electric mixer. After pouring the creamed mixture into a cake mold, the cake is baked in an oven at 170 degrees Celsius for 16 to 20 minutes. Concave cake is believed to have originated from Portugal during the Age of Discovery. Women who worried about their husbands and family members traveling