E-waste such as keyboards and monitors can be added to broken stone, hollow blocks, and filler slabs after removing wiring, lead, glass, etc. to make concrete. "Lean" concrete containing e-waste is not as hard as regular concrete but can be used for lighter constructions like garden walls, paving stones, and pump rooms. Adding fly ash to cement for mortar and plaster can reduce cement usage by up to 20% while being more environmentally friendly.

1. source: www.thehindu.com
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2. 1

3. 1

4. E-waste such as keyboards and
monitors can be added to

5. E-waste such as keyboards and
monitors can be added to
1. broken stone

6. 2. hollow blocks
E-waste such as keyboards and
monitors can be added to
1. broken stone

7. 3. Filler slabs
E-waste such as keyboards and
monitors can be added to
1. broken stone
2. hollow blocks

8. E-waste such as keyboards and
monitors can be added to
1. broken stone
2. hollow blocks
3. Filler slabs
after removing

9. E-waste such as keyboards and
monitors can be added to
1. broken stone
2. hollow blocks
3. Filler slabs
after removing
wiring

10. E-waste such as keyboards and
monitors can be added to
1. broken stone
2. hollow blocks
3. Filler slabs
after removing
lead
wiring

11. E-waste such as keyboards and
monitors can be added to
1. broken stone
2. hollow blocks
3. Filler slabs
after removing
lead
wiring
glass etc…

12. 2

13. 2

14. “Lean” concrete has enough
cement to set but is not rock-hard

15. “Lean” concrete has enough
cement to set but is not rock-hard
It can be used for lighter work
such as

16. “Lean” concrete has enough
cement to set but is not rock-hard
It can be used for lighter work
such as
light garden walls

17. “Lean” concrete has enough
cement to set but is not rock-hard
It can be used for lighter work
such as
light garden walls
paving stones

18. “Lean” concrete has enough
cement to set but is not rock-hard
It can be used for lighter work
such as
light garden walls
paving stones
pump room etc…

19. 3

20. 3

21. Adding fly ash to cement for
mortar and plaster work is
green and can reduce cement
usage by up to 20 per cent

25. www.vmerealty.com