Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. ‰“
2. Šp
3.
4. Λ

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ