What can be the use of superhydrophobic materials?
Waterproof coating
Protect electronic devices from water
Both are correct
About Hyperdiamonds, they differ with diamonds in that
They are made at different temperature
They join strongly carbon atoms
None of them
Metallic foam uses
Aluminum
Carbon
Iron
What is the main problem of aluminum oxynitride?
Aluminum scarcity
Its cost
Both of them
Bacteria can repair concrete
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