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driven by explosive or electrical power.

powered missiles
used in euthanasia of animals. Includes conventional weapons such as revolvers, rifles and shotguns, Greenough humane killers and captive bolt pistols.
powered surgical instruments
include saws, drills.

Patient discussion about powered

Q. My myopic son is wearing power glasses. Are there any other nutritional supplements to support eye sight? My myopic son is wearing power glasses from the age of 2 years. His power is not very high yet but the rate of his eye power is doubling every year. Doctor had given him some medicines and had told him to have lots of carrots. We are giving him carrot juice every day. But soon he stopped taking it for some months. But he is having juice now but I wish to know are there any other nutritional supplements to support eye sight?

A. eating carrots can help people who suffers from vitamin A or beta-carotene deficiency. which leads to poor night vision. but that's it. there is no reason to eat tremendous amounts of carrots, there are food supplements that will help you achieve it without becoming orange. anyway, getting too much vitamin A can be toxic.
here is a "snopes" about it-

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References in periodicals archive ?
In this report, the global powered surgical instruments market is segmented by power source, product, and application.
The electric-powered surgical instruments segment accounts for the major share of the powered surgical instruments market.
Pro-Dex is ISO: 13485-certified and works with some of the leading names in the medical device industry to develop and manufacture cutting-edge powered surgical instruments.