Foundation lemziak a ni
Duct section lem ziah a ni
Basement area ah a awm a
20
m
2
(
20000000
mm
2
)
Vent pakhat awmna area
0.012
m
2
(
12272
mm
2
)
Vent awmna hmun zawng zawng
0.061
m
2
(
61359
mm
2
)
Thli awm zat
5
thilte
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