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They are, already. They use a type of rock "glue" to fuse together rubble — in some cases old broken up concrete. The GP comment is a pretty basic HN middle-bro
by thechao 6y ago
They are, already. They use a type of rock "glue" to fuse together rubble — in some cases old broken up concrete. The GP comment is a pretty basic HN middle-brow response.