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

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ