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

ƒŒƒxƒ‹6. •ύX
SDAL“‡‰pŒêŠwZ