Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
guard against =
1. —‘
2. — 
3. œ
4. Œx

ƒŒƒxƒ‹6. •ύX
SDAL“‡‰pŒêŠwZ