Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
prevent =
1. –h
2. Žt
3. •¡
4. ŒŸ

ƒŒƒxƒ‹5. •ÏX
SDAL“‡‰pŒêŠwZ