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