Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1.
“÷
2.
Šp
3.
ŒZ
4.
’J
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ