why is there a ball inside spray paint
Aerosol paint Most aerosol paints also have a metal, glass or plastic ball called a pea inside of the can, which is used to mix the paint when the can is shaken.
Corona Spectroscopy measurements indicate strong ionization and plasma temperature in excess of 1,000,000 kelvins,[1] much hotter than the surface of the Sun.
Fidget spinner As of 2017, the patent status of the various fidget spinners on the market was unclear.[8]
Alonso Álvarez de Pineda