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cherry bomb
A cherry bomb (also known as a globe salute, kraft salute or bangarang) is an approximately spherical exploding firework. Cherry bombs range in size from three-quarters of an inch to one and a half (1.9 cm to 3.8 cm) inches in diameter.
==Composition==
A typical cherry bomb contains a core of explosive composition (i.e., flash powder or, less commonly, black powder) which is generally encapsulated inside a paper cup, which is in turn most commonly surrounded by a layer (approx. one-quarter inch thick) of sawdust infused with a mild adhesive (usually sodium silicate). An ignition fuse is inserted into a hole drilled into the hardened sawdust sphere, all the way down to reach the explosive composition. The fuse extends outside the sphere approximately one to one and a half inches. Once the fuse is ignited, it takes about three to four and a half seconds to reach the explosive composition and initiate explosion of the firework.
The color of the salute's exterior varies, depending on the manufacturer and the time period during which the salute was produced. Early on, in the late-1920s and 1930s, globe salutes had fuses which were tan, red or striped and multi-colored, and their body color varied, ranging from brown and tan to silver and red, and some were even decorated with multi-colored confetti. However, by the 1940s the most common color of the spherical salutes being marketed was a deep pink to red, with a green fuse, which is when the names cherry salute and cherry bomb entered popular use.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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