The main applications of erasers are very extensive, covering almost all occasions that require writing or painting. Firstly, erasers are one of the essential stationery items for every student and employee in schools and offices. During the writing process, whether it's elementary school students doing homework or white-collar workers drafting documents, there are inevitably errors or areas that need to be corrected, and erasers come in handy. It can help people quickly erase errors and keep the paper clean and beautiful.