Traditional Culture Encyclopedia - Traditional culture - Slate and schist are used as building materials to pave indoor floor tiles. Will they be radioactive?
Slate and schist are used as building materials to pave indoor floor tiles. Will they be radioactive?
This is not radiation.
But block the signal.
Now the houses should all be frame-shear wall structures.
The walls are mostly reinforced concrete.
Metals can shield and reflect signals.
So sometimes the indoor signal is very poor.
Get out.
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