Bahaya geni yaiku sing kudu diwaspadai saben wong ing urip saben dina, lan lawang geni uga dadi pilihan akeh wong. Lawang lan lawang geni baja bisa dipérang dadi telung standar miturut kekandelan. Sing luwih dhuwur standar, luwih apik insulasi swara lan efek insulasi panas saka lawang geni.

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