Not difficult. Apprentices of injection molding machines are responsible for the daily maintenance of all molds in the injection workshop, establishing mold accounts, proposing mold maintenance, maintenance and new system plans, and training injection molding operators to use molds, so it is not difficult for apprentices of injection molding machines. Injection molding machine, also known as injection molding machine, is the main molding equipment to make thermoplastic or thermosetting materials into various shapes of plastic products with plastic molding dies.