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