Sherveish saor son reih studeyryn towseReihys obbraghey ventilation
Reihys y voluum jeh'n aer ta goll trooid y system aer
F - Cummey crossagh y duct aer. Ree-chreeagh ny cronk.
D - Diameter y duct.
X - Lead y duct rectangular.
Y - Ard-chree y duct rectangular.
E - Speed aer, 'sy second.
Cooidjagh y phrogram.
Reihys y voluum jeh'n aer ta goll trooid y duct ventilation.
Author of the project: Dmitry Zhitov
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