Find number abc
[2265] Find number abc - If 568ba - b893c = 79aa find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 68 - The first user who solved this task is Roxana zavari
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Find number abc

If 568ba - b893c = 79aa find number abc. Multiple solutions may exist.
Correct answers: 68
The first user who solved this task is Roxana zavari.
#brainteasers #math
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Back-Up Sensor

Inventor of the automobile back-up Sensor -
I bet you think it was Ford, maybe GM, how about Chrysler? No, then how about Mercedes Benz?
No, not at all, it was a Chinese farmer!
Most of the newest cars have a Back-Up Sensor that warns the driver before the rear bumper actually comes in contact with something. Most people probably think that this valuable feature came out of the minds of great engineers, but it was recently disclosed that the concept was first developed by a Chinese farmer. His invention was simple and effective. It emits a high-pitched squeal when the vehicle backs into something.

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Jacob Schick

Born 16 Sep 1877; died 3 Jul 1937 at age 59.American inventor and manufacturer of the first successful electric dry razor. He started in the razor business in 1925 to design and manufacture his invention of the Magazine Repeating Razor. By 1926, he was selling clips of blades that could be loaded into a safety razor without touching the blade to avoid cuts during handling. While this product was successful, he turned his attention to developing a dry razor. By 1927 he had designed a dry razor with a reciprocating head powered by a flexible drive shaft to an external motor. Although he marketed this model from 1929, it was not until 1931 that he had improved the idea as a new one-handed electric shaver with self-contained motor that sales took off. He lived only six year after that.«.
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