waste is sorted into plastic, metal, paper, and cardboard by manually.
The sorted materials are then sold to individual retailers. The
main revenue was in the form of payments received by households
for the service which amounted to 1500 Rupiah a month. The revenue
from recyclable wastes and compost sales are also invested
in maintaining this system. Toxic-hazardous waste and untreated
organic waste are transported to the landfill site.