Fawndeshɔn drɔin
Fawndeshɔn drɔin
Dakt sɛkshɔn drɔin
Dakt sɛkshɔn drɔin

Basement eria 20 m2     (20000000 mm2)

Eria fɔ wan vent 0.012 m2     (12272 mm2)
Total eria fɔ di vent dɛn 0.061 m2     (61359 mm2)
Di mɔnt we di briz de blo 5 tin dɛn



© Kalkul fɔ di vent dɛn na di bɛsin