What cannot be sawed but is ma...
[2998] What cannot be sawed but is ma... - What cannot be sawed but is made of wood? - #brainteasers #riddles - Correct Answers: 62 - The first user who solved this task is Djordje Timotijevic
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What cannot be sawed but is ma...

What cannot be sawed but is made of wood?
Correct answers: 62
The first user who solved this task is Djordje Timotijevic.
#brainteasers #riddles
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A woman places an ad in the lo...

A woman places an ad in the local newspaper. “Looking for a man with three qualifications: won’t beat me up, won’t run away from me, and is great in bed.” Two days later her doorbell rings. “Hi, I’m Tim. I have no arms so I won’t beat you, and no legs so I won't run away.” “What makes you think you are great in bed?” the woman retorts. Tim replies, “I rang the doorbell, didn’t I?”
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DuPrene

In 1931, The DuPont company, of Wilmington, Delaware, announced the first synthetic rubber. It was known as DuPrene, and from 1936 as Neoprene. Many scientists were trying to make natural rubber in the 1920s and 30s. One of the Wallace Carothers team, Gerard Berchet, had left a sample of monovinylacetylene in a jar with hydrochloric acid (HCl) for about five weeks. Then on 17 Apr 1930, coworker Arnold M. Collins happened to look in that jar and found a rubbery white material. The HCl had reacted with the vinylacetylene, making chloroprene, which then polymerized to become polychloroprene. The new rubber was expensive, but resisted oil and gasoline, which natural rubber didn't. It was the first good synthetic rubber.[Image: Wallace Carothers showing the new DuPrene product]
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