In the future, the outer sheath of cables in deep sea water will be made of glass instead of special steel or aluminum alloys. Because the metal has a granular microstructure, under deep sea pressure, the metal sheath at the particle boundary is easy to break. And the glass looks Although solid, it flows under pressure and can therefore be considered a liquid. Can it be launched from this? ['Glass has no granular microstructure.', 'Almost all solids can be considered as slow flowing liquids.', 'Glass is more suitable for building materials than steel or aluminum alloy.', 'Compared with steel, the granular microstructure of glass is more fluid.']