Don't allow any manicurist to touch your hands with utensils that have not been properly sterilized.

A second theory was that Dr. Acer transmitted the infection through contaminated instruments that were not properly sterilized.

The final risk to blood donors is from equipment that has not been properly sterilized.

"May I assume your operating instruments will be properly sterilized this time?"

They also advise against the use of piercing guns that crush flesh rather than lacerate it and that cannot be properly sterilized.

The USSR has since claimed that its first Venus lander was properly sterilized.

"Once you had a re-use procedure, it increased the risk of infection unless the equipment was properly sterilized," said Charles Moore, a lawyer who won a wrongful-death case against the company in 1988.

The risk also increases when lenses are not properly sterilized.

I did the best I could, but there was no way to make sure everything was properly sterilized.

So there was no way of being certain whether her silk thread was properly sterilized or not.