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Fireworks are pyrotechnic devices typically used for entertainment and celebration, containing gunpowder and various chemical compounds. Their primary function is to create visual and auditory effects, providing an engaging spectacle. This technology, first developed in 9th-century China to ward off evil spirits, is closely linked to the discovery of gunpowder. Over time, it reached Europe and evolved into its modern, elaborate form through advanced chemical formulations developed particularly i

Special Water Salute for AircraftHave you ever seen an aircraft pass through a tunnel of water sprayed from two sides at an airport? It may look like the plane is being washed by a water tank, but in fact it is a very special tradition. This display is called a "water salute" or "water arch." Why is it performed? Let us find out.Why Is the Water Salute Performed?The water salute is a ceremonial tradition in aviation used to celebrate and honor special occasions. Two fire trucks position themselv