Dessin de fondation
Dessin de section duct
Barabu sous-sol
20
m
2
(
20000000
mm
2
)
Area bu benn vent
0.012
m
2
(
12272
mm
2
)
Tolluwaayu yaatuwaayu ventilatër yi
0.061
m
2
(
61359
mm
2
)
Bariwaayu ngelaw li
5
ay mbir
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