Comparing with normal concrete, lightweight concretes cannot be used for their thermal insulation.
Comparing with normal concrete, lightweight concretes cannot be used for their thermal insulation.
The walls consist of A: 3 huge sheets of glass and concrete B: 3 huge pieces of concretes with small windows C: only 3 huge sheets of glasses
The walls consist of A: 3 huge sheets of glass and concrete B: 3 huge pieces of concretes with small windows C: only 3 huge sheets of glasses
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