GK
INVENTIONS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following inventions were discovered by accident? Choose TWO.
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rockets
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light bulbs
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safety glasses
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ScotchGard
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modern computers
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Explanation:
Detailed explanation-1: -Chemist Patsy Sherman and colleague Sam Smith were working at 3M Company when they created Scotchgardâ„¢. Scotchgard went on to become one of the most widely used and valuable products in stain repellency and soil removal, eventually bringing in over $300 million annually for 3M.
Detailed explanation-2: -With Scotchgard, a protective layer is applied to your carpets, upholstery and soft furnishings. Not only will this keep dust and dirt at bay, it will also shield your fabrics from a wide range of other types of damaging substances including mould and bacteria, as well as water and oil based stains.
There is 1 question to complete.