What you want to ask is how many hours of safety friend education and training do employees who have been on leave for more than ten days have before returning to work? Four hours. According to the inquiry, Baba shows that employees who have left their posts for more than 1 week will be given safety education by the team leader at the first pre-shift education when they return to work, and the safety education and training time will be no less than 4 hours. Safety education and training is also a legal system of safety production.