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

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ