Kuverenga kwehuwandu hwemhepo inopfuura kuburikidza neiyo ventilation system
F - Chikamu chechimiro cheduct. Yakakomberedza kana kutenderera.
D - Iyo dhayiri yedhodhi.
X - Iyo upamhi hwekona duct.
Y - Kureba kweiyo rectangular duct.
E - Kumhanya kwemhepo, pamasekondi.
Features.
Kuverenga kwehuwandu hwemhepo inopfuura nepakati pemhepo duct.