Translation of "fireproof" into Persian

The Reeves Building was as fireproof as a rock and as efficient asa typewriter;

ساختمان ری وز مانند سنگ، نسوز بود و مانند ماشین تحریر، کار ساز بود؛

Not so fireproof on the inside, are you?

اعضاي داخليت زياد ضد آتش نيستن ، درسته ؟