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

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ