Which one is not the source of waste:

There are many sources of waste, such as industrial waste which comes out from factories and industries, and a maximum of this waste is discharged into rivers, which creates many environmental problems. Commercial waste is the waste that comes out from schools, shops, and offices such as plastic, paper, etc. Domestic waste is the waste that comes out of the house, such as household work, cooking, cleaning, etc. Agricultural waste is the waste that comes out of the fields.