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

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ