1. entrance and other places
2. pump room and places where human static electricity needs to be eliminated during oil storage and transportation
3. places such as unloading port of gas station, self-service gas station, automatic fuel dispenser, etc
4. sampling, temperature measurement, ruler inspection, tank car filling and other places in petrochemical enterprises
5. oil depot, warehouse, workshop, workshop entrance and other places
6. other places that need to work after eliminating human static electricity.