Kleenex tissues were supposed to be for gas masks. During a cotton shortage in World War I, Kimberly-Clark devised a thin, flat cotton substitute to use as a filter for army gas masks. However, the war ended before scientists could perfect the material. In turn, the company constructed a thinner and softer material that eventually became Kleenex tissues.
100 Mind-Blowing Devised Facts
Milk wagons are the reason why we have roadway lines. These lines were devised by a man who saw dots of milk spilling out from a moving milk wagon. These lines are considered to be the most important traffic safety device.