THE CONCRETE SAND PARADOX, PART 2 

Natural concrete sand is almost gone. The world has used concrete as a basic building block throughout time.
One of the basic raw materials needed for concrete is sand. And while there is a plentiful supply of sand around the world, the specific type needed for concrete has been reduced to a fraction.
In this video we wanted to start focusing on this topic to do the following:
- Bring awareness to this the Concrete Sand Paradox, illustrating to what length people will go to make quality concrete, Part 1
- Show how the changes in sand can impact the fresh concrete properties, Part 2
- What are the alternatives and solutions to this concrete sand problem, Part 3
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