This technique saves more than 2lb compared with conventional camshafts.

Such a technique may take several years to develop, but could save millions of lives, he said.

As medical techniques to save patients become increasingly sophisticated, that number is likely to grow.

A 10-minute surgical technique can save the sight of those already infected but not yet blind.

The technique, they add, could save lives by providing timely warnings to the inhabitants of low-lying coastal areas.

Such techniques would save lives by treating those cancers that have clear potential for metastasis, but have not yet spread.

If they succeed, the technique could save fresh water in arid areas near oceans.

It is thus argued that high-yield techniques are ultimately saving ecosystems from destruction.

This technique saved the need for on site quarrying.

A technique like that saves a person's pride and gives him or her a feeling of importance.