GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following inventions were discovered by accident? Choose TWO.
A
rockets
B
light bulbs
C
safety glasses
D
ScotchGard
E
modern computers
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.