Simplify the following text for a Grade 10 native English-speaking person.
Original: Familiar household uses of acetone are as the active ingredient in nail polish remover and as paint thinner .
Simplified: About 5.1 million tonnes were produced worldwide in 2009 , mainly for use as a solvent and production of methyl methacrylate and bisphenol A. Familiar household uses of acetone are as the active ingredient in nail polish remover and as paint thinner .