Even though smoking on flights has long been banned by most airlines, the Federal Aviation Administration (FAA) requires planes to have ashtrays available for people who break the rule. Because a lit cigarette could light a trash bin on fire, the FAA considers ashtrays required equipment.

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Snuffing Out Smoking

Although the origins of smoking are unknown, it was first seen among Native Americans, who used tobacco for both spiritual and medicinal purposes. In the late 15th century, sailors returning from the Americas began to introduce tobacco to Europe, where it was soon regarded as an almost universal