Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1.
Šp
2.
L
3.
F
4.
–ì
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ