Kuzekaula ntalisyo
Cifwanikiso chachibeela cha Duct
Busena bwaansi
20
m
2
(
20000000
mm
2
)
Busena bwamulyango omwe
0.012
m
2
(
12272
mm
2
)
Busena boonse bwazipulo
0.061
m
2
(
61359
mm
2
)
Mweelwe wamuya
5
zintu
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