I can only make some speculation here. I'd like to see something far more factual added in the future since the only material I can base my actual facts on was first seen in "Balance of Terror". The speculation assumes that technology advanced enough since TOS to make such rooms no longer required to be built, but may still exist on some starships for maintenance purposes only. --MKSuleth 13:21, 4 Jan 2006 (UTC)

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