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