Minangka geni wis dadi bebaya safety penting ing bangunan modern, fire fighting wis mbayar manungsa waé liyane lan liyane, karo lawang geni minangka sarana penting kanggo misahake geni. Lawang geni mbagi spasi bangunan dadi sawetara zona geni, supaya saben partisi geni yen geni kedadeyan, ora bisa nyebar metu ing wektu tartamtu, supaya bisa ngontrol geni kanthi efektif.

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