A serious accident happened in Hong Kong Gymnasium. How to do a good job of on-site safety measures for large-scale concerts?

If you want to do a good job of on-site safety measures for large-scale concerts, you must first strengthen the management of these devices, and at the same time conduct corresponding prevention and control inspections on these devices. After the inspection, before the performance, you should also take corresponding preventive measures for these equipment and actors' performances, which is more conducive to the safety of actors and guests.