Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
floor of a building =
1.
•
2.
—û
3.
ŠK
4.
‹Ž
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ