Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. ‰©
2. Šp
3. s
4. H

ƒŒƒxƒ‹2. •ύX
SDAL“‡‰pŒêŠwZ