Mufananidzo wenheyo
Duct chikamu mufananidzo
Ndau yepashi
20
m
2
(
20000000
mm
2
)
Nzvimbo ye vent imwe
0.012
m
2
(
12272
mm
2
)
Nzvimbo yese yemhepo
0.061
m
2
(
61359
mm
2
)
Kuwanda kwemhepo .
5
zviro
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