Umdwebo wesisekelo
Umdwebo wesigaba se-duct
Indawo engaphasi 20 m2 (20000000 mm2)
Indawo yomnyango owodwa 0.012 m2 (12272 mm2)
Indawo yoke yama-vents 0.061 m2 (61359 mm2)
Inani lomoya 5 izinto
© Ukubalwa kweenkhathi zokuphefumula ngaphakathi kwegumbi elingaphasi