San Francisco : Architect and Engineer, Inc · leaf 642
are specifi«d for just one rea-son: to afford protection in caseof fire by stopping the advanceof flames. If they are KinnearDoors, theres no (jueslion aboutthiir functioning promptly andpositively when the occasion re-iiuires it. Thats why the tele-phone companies standardize onKinnear Fire Doors…
Architecture · Building
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