"Fly Ash was once discarded as a waste but today, it is increasingly emerging as a major input material in several industries."Discuss.

Hint:
Flyash refers to the lightweight particles captured in exhaust gas by electrostatic precipitators, scrubbers or filter fabric baghouses or some other filtration equipment in coal-fired power plants.

• Flyash are used as input materials to various industries:
• Flyash are added as a mixture to cement for buildings construction, laying roads and landfills
• Flyash is used in making bricks and blocks because bricks made from flyash are stronger and cheaper than conventional bricks

Flyash can be used to transform a barren wasteland into lush green forest
Pigments obtained from flyash can be used in manufacturing of paints