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

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ