Lawang geni baja bisa dilengkapi jendhela, louvers, louvers ventilasi, lan sapiturute kaya sing dibutuhake. Lawang geni baja mung kudu dibukak kanthi tangan, banjur ditutup kanthi otomatis, supaya bisa nggawe lingkungan sing sepi, ora bakal ana swara tabrakan kaya mbukak lawang internal lan eksternal.

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