What are blue-colored bins used for?

Hint: They are used for the disposal of those waste materials that can be recycled. The waste disposal bins are of various colors depicting and differentiating between various types of waste products.

Complete answer:
For throwing of waste materials and the collection of garbage, the municipality provides two types of colored bins. The blue and the green-colored bins. The blue-colored bins are for the collection of those waste products that are recycled or are biodegradable. These bins include the collection of newspapers, cardboards, magazines, plastic, metal, and glass materials while the green bins consist of organic waste materials extracted from the kitchen, plants, and animal wastes.
These blue bins are then transported to the center where their recycling is done, this will result in less pollution and decrease the area of the landfill in the country. It will make the material to be useful again thus making it economically available.
A biodegradable substance or recyclable materials can be defined as a material that can be decomposed by microorganisms or decomposers and not be added to any type of pollution. Waste that cannot be decomposed biologically is called the Non-biodegradable wastes or non-recyclable materials. Biodegradable wastes are the wastes that can be broken down by living organisms and are non-pollutant while, Non-Biodegradable wastes are the ones which cannot be broken down by the living organisms and is a pollutant.


Note:
Disposal of Wastes: Cover the wastes with soil, spray some quantity of water. When this pit is filled with degradable items cover it with a mix of dung and clay for a couple of weeks.