But scientists are planning to add additional layers to harness more power.

By repeating this procedure several times, additional layers are built up.

This is often sealed inside an additional layer of glass.

In other words, it is an additional layer of taxation.

"It's an additional layer of complexity for them," he said.

Over several months he added the additional layers on blood, smoke and glass.

His solution was to add two additional layers above and below the main traffic tunnel.

No additional layers were added to the site during the second occupation.

The leather is meant to be used as an additional layer of material.

They should not be about creating additional layers of bureaucracy and red tape.