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

ƒŒƒxƒ‹6. •ύX
SDAL“‡‰pŒêŠwZ