What does it mean when battery cars are prohibited from entering the elevator? A joke

Are you asking the question "What does it mean that battery cars are prohibited from entering the elevator?" The meaning of this sentence is to ensure the safety of the public and the normal operation of the elevator.

1. Elevator operation safety: Battery cars entering the elevator will increase the load-bearing burden of the elevator, cause damage or failure of the elevator, block escape channels, affect evacuation and cause the risk of secondary injuries.

2. Prevent fire hazards: The battery of a battery car has potential safety hazards such as leakage and explosion. After the battery car enters the elevator, it is charged in the elevator or a fire occurs. Due to the limited space in the elevator, the fire spreads rapidly, causing harm to passengers and people in the elevator.