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The pupil decreases in size to lessen the amount of light allowed in, so as to prevent damage.
Well, lets see, you have this question categorized as "hurricane katrina", and therefore you must be talking about hurricanes. Hurricanes cannot be prevented, but we can take steps to lessen the damage, such as build sturdier buildings, and prevent it from being a total disaster by putting more funding in rebuilding from the damage.
drug used to prevent, lessen or stop retching or vomiting..
There are drugs in which women can take to prevent or lessen the effects of osteoporosis. A drug of this type is fosomax, which helps you to harden the bones and prevent the calcium to stop producing as frequently. It also helps with the process of strengthening your bone density.
avoids STDs and get regular preventive care.
To prevent damage, curb the CFC's. They react with ozone and deplete it.
A case can prevent sun damage to your device,but it will not stop heat.
what can be undertaken to prevent a pre-mature damage to the mattress
7 what measures can be undertaken to prevent a pre-mature damage mattresses?
yes they prevent head damage to your head
You can not
Surgery with lasers can help to prevent blindness or lessen any losses in vision.