It seems to me that there should be a technology that, once learned, eliminates the need to use rubber as a resource.
At some point, a civilization must learn to produce rubber synthetically to supply its needs. This is in keeping with the real world. At what technology does rubber become available?
At some point, a civilization must learn to produce rubber synthetically to supply its needs. This is in keeping with the real world. At what technology does rubber become available?
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