次の文章を読み、その後に続く問いに答えなさい

• A: Hi! This is Chisato.
  Thank you for checking our SNS!
  I will introduce a newcomer today, haaaai!!
  
• B: I'm Takina Inoue. Nice to meet you.
• A: Nice to meet you too. You are soooo cute!!!!
  What is your hobby?
• B: My hobby is disassembling and cleaning work tools.

問.What is Takina doing in her spare time?