Simplify the following text for a Grade 10 native English-speaking person.
Original: Prior uses of water wheels include milling flour in gristmills and grinding wood into pulp for paper making , but other uses include foundry work and machining , and pounding linen for use in the manufacture of paper .
Simplified: The most common use of the water wheel was to mill flour in gristmills , but other uses included foundry work and machining , and pounding linen for use in paper .