Wash fruits and vegetables with water from a safe source before eating.

But the question still remains: Is hydrogen fuel a safe source of energy for our cars?

Beta carotene in food is a safe source of vitamin A.

Despite these and other improvements in water quality, the slough is not a safe source of edible fish.

Currently, approximately one in six people on earth lack access to safe source of drinking water.

Either way, it is important to provide a safe source of power.

And no one had safe sources of water and electricity.

Let's create a new environmentally safe source of energy using the money that might have gone for a gas rebate and more tax cuts.

It argues that the facility - approved and started under the previous government - would not be a safe source of energy.

I consider that nuclear energy must remain as an important and safe source of European energy.