Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. Šˆ
2. L
3. Šp
4. —F

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ