What is the project name of the waste pump truck?

For the charging project name of waste pump truck, the following general project names can be selected:

1. Technical consultation fee: if technical consultation or service related to waste pump truck is provided, it can be classified as technical consultation fee.

2. Equipment maintenance fee: if the waste pump truck is repaired or maintained, it can be classified as equipment maintenance fee.

3. Second-hand equipment sales: if the second-hand pump truck is sold, the second-hand equipment sales or second-hand goods sales can be used as the project name.

4. Disposal fee for equipment scrapping: If the scrapped pump truck needs to be disposed of, it can be classified as disposal fee for equipment scrapping. what

5. Recharge of waste materials: If the waste pump truck is recycled, it can be classified as the charge of waste materials.