the purpose of a perm invention is because people who has thick hair and its messed up can get a perm and your hair will look better than it was before
Majorie Joyner, an employee of Madam C.J. Walker invented the chemical perm. See the related link.
Pre perm testWe do this to make sure your hair is strong enough to withstand the strong chemicals, they will do a pull test on the strands of hair to see if there is any that break off. If they do, they will advise you against getting a perm right now and may have you condition for a month before trying again.
It was Joshua Tremelling's invention of the computer
Edison's lab developed the phonograph as a sort of accidental side project while working on the telephone. For most of the time he was perfecting it, he had absolutely no idea what practical purpose it could serve. So it was not an invention that came forth out of a real need for storage and reproduction of sound, but rather it came forth out of pure happenstance and research.
The invention of the light bulb affected how energy was used.
The purpose of the pencil invention is to write down letters to form words.
The purpose of a plastic prototype is to test invention, attract investors, and or get the companies to license the invention idea. And the overall purpose is to make you money from invention idea.
Why is Henry Bessemer's invention important?
To shine a light
no it was done on purpose.
charles b brooks
it was on purpose they wanted to make something tasty
If it has a good purpose and does it good.
Probably how to make fire on purpose.
To tell time... I think.
Well to make ice
to make something useful