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