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