Nurses also need to guard against radiation from x-rays and chemicals in medicine.

But many farmers remain convinced that pressure against chemicals will lead to higher costs and lower yields, which cuts into profits.

The Campaign also seeks to involve people working at all levels of society in action against hazardous chemicals and wastes.

Animal research suggests it might also be able to protect the liver against certain poisonous chemicals and prevent diabetes.

Due to its chemical stability, it acts as a protective barrier against chemicals.

Type 3: Protects against liquid chemicals for a limited period.

The drive against ozone-destroying chemicals is moving much more rapidly than most diplomats had believed possible.

IN the war against chemicals that cause cancer, most of the attention has been on man-made substances like pesticides and preservatives.

This hose determines the resistance against temperature and chemicals.

Robots are being used to test receptors against chemicals around the clock.