Buphangni bagwi vent ni lekhamung
X - Basement ni kotorma
Y - Tẃiphangni kotorma
F - Buphangni bagwi vent ni section ni shape. Rektangular eba kwchak.
D - Kwchakni duglam.
A - Rektanglar ni vent ni rangchak.
B - Rektanglar ni vent ni uchukma.
E - Vent ni joto jaga ni ratio bai basement ni jaga ni ratio.
Program ni phan.
Foundation ni nokbar wngna bagwi vents ni mung lekhajak.
Vents wngkha foundation ni saka-o tongnai jagao khukjak jagarok, abo hayungni thani nokbar wngna bagwi swnamjak.
Obo radon gas wngwi tongmani tei nok tangmani manwirokni sakao mold nukjakmani wngwi tongmani.
Vents eba vents rok basement ni opposite jagao tongwi kaham khe wngwi mano.
Vents rok no ground level ni simi jotoni slai kotor khe rwna nangnai.
Vent ni joto jaga basement ni jaga ni 1/400 ni sai kwbang wngna nangnai.
Radon kwbang tongmani jagarokni bagwi, ratio 1/100 ni sai kwbang wngna nangnai.