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Maroon (rocket) : ウィキペディア英語版 | Maroon (rocket)
A maroon is a type of rocket which makes a loud banging report (noise) and creates a bright flash. It is used as an alarm or warning. The British Royal National Lifeboat Institution uses these rockets to call the crew when the lifeboat needs to be launched.〔http://www.burnham-on-sea.com/rnli/maroons.html〕 Another example was as a signal on a railway, to alert oncoming trains that they must stop due to unexpected accident or track work ahead.〔http://books.google.com/books?id=G2w1AAAAMAAJ&lpg=PA116&ots=T_zRlC7LMP&dq=%22SOME%20EXPERIMENTS%20ON%20THE%20USE%20OF%20MAROONS%20AS%20SIGNALS%20ON%20RAILWAYS%22&pg=PA116#v=onepage&q=%22SOME%20EXPERIMENTS%20ON%20THE%20USE%20OF%20MAROONS%20AS%20SIGNALS%20ON%20RAILWAYS%22&f=false〕 Used by British spotters in WWI located around the cities. They would fire when German bombers were approaching. == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Maroon (rocket)」の詳細全文を読む
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