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