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