It also creates the possibility of new applications that would be impossible using copper or silicon.

They were also starting to use copper for making certain tools or weapons.

My dad's hired hand uses copper on the fences back at our farm.

Instead of using explosives, it was also cheaper to use copper as the payload.

By using a lot less copper, it allows for thinner and more flexible cables.

The floor is decorated with an organic look, using wood, steel and copper.

Thus everybody had a tum to use the oven and copper if needed.

She'd used copper again, with reducing agents in the melt to ensure a pure color.

He was among the first etchers to use copper rather than iron plates.

They used copper and made pottery, though still only by hand.