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