According to the Editor's Commentary, what did modern engineering often prioritize over the raw, brute-force capability of early HEPA filters?

Answer

Achieving specified CADR standards quietly to ensure user comfort.

Modern engineering frequently optimizes airflow dynamics to achieve certification standards like CADR without creating excessive noise, subtly shifting priority toward user comfort over the maximum capture efficiency demanded by military requirements.

According to the Editor's Commentary, what did modern engineering often prioritize over the raw, brute-force capability of early HEPA filters?
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