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

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ