Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
guard against =
1. –_
2. ‹½
3. Œx
4. –_

ƒŒƒxƒ‹6. •ύX
SDAL“‡‰pŒêŠwZ