2. Before borrowing instruments and equipment, experimental teachers should conduct a maintenance to ensure their good performance. After the instruments and equipment are returned, they should be overhauled again and then put back.
3. Valuable precision instruments should be properly kept, and maintenance or use must be approved by the competent leader. It is forbidden to disassemble by yourself. If the experimental teacher is not skilled in its performance, he should entrust a professional department to carry out maintenance.
4. When students experiment, the experiment teacher should seriously guide students to use the instruments correctly and repair the faulty instruments in time to ensure the smooth progress of the experiment. After the experiment, students should repair and restore the instrument for later use.
5. Conduct a comprehensive inspection and centralized maintenance of instruments and equipment every semester, and handle problems in time when found.