Kwan pa wel pa yamo pi the ot
X - Lat pa ot ma piny
Y - Bor pa ot ma piny
F - Kite pa dhugola mi dhugola. Rectangular nyo round.
D - Diameter pa yamo.
A - Lat pa vent ma nen calu rectangular.
B - Bor pa vent ma nen calu rectangular.
E - Ratio pa kabedu pa kabedo mi yamo ku kabedu pa ot ma piny.
Ker pa program.
Kwan pa wel pa kabedo ma yamo wok kudi i ot.
Vents utiye dhugola ma oyabe iwi ngom pa the foundation ma juketho pi weko yamo wok kud i the ngom.
Eni juku rwom pa radon gas man nen pa lum ikum ot.
Vents nyoke vents utiye kama tung tung mi ot ma piny pi bedo ku yamo maber.
Jubekwayi ni ketho kabedo ma yamo wok iye malo akeca kud i ngom.
Kabedo mi dhugola ucikere ni bedu 1/400 pa kabedo mi ot ma piny.
Pi kabedo ma radon utiye madwong, wel ucikere ni bedu 1/100.