Class 7 Biology Wastewater Story Ways to minimize waste at their source

Ways to minimize waste at their source

  • Oil and fats should not be thrown in the drain as these may block the pipes and can clog the soil pores in open drain by reducing the effectiveness in filtering water.
  • Paints, solvents, motor, medicines can kill the useful microbes in the drain which help in purifying water.

Fig. Paints, medicines

  • Tealeaves, solid food, cotton, soft toys in the drain do not allow free flow of oxygen and hence can hamper degradation process.

Fig. Tea leaves, soft toy

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