Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
floor of a building =
1.
˜H
2.
—t
3.
ŠK
4.
’Ç
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ