Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1.
Žs
2.
“Ç
3.
Šp
4.
—j
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ