Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. ¼
2. ‰½
3. ‰_
4. Šp

ƒŒƒxƒ‹2. •ύX
SDAL“‡‰pŒêŠwZ