Tatsuhiko Hayashi sends an example business email to schedule a meeting to discuss production specifications. The document explains that business email is important for communicating with clients and customers, and that there are writing styles specific to business emails. It provides tips for improving business email skills, such as studying examples online or from books, practicing by sending emails to friends for feedback, and sending real emails to companies. The conclusion states that business email is a useful tool for contact and it is important to learn how to write effective business emails.