Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
guard against =
1. ŠÅ
2. ò
3. –Y
4. Œx

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ