Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
guard against =
1. Œx
2. O
3. ô
4. O

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ