The students worked together on this project.

The co-writers collaborated closely on the screenplay of the movie.

She works as a co-writer on the new movie.

Cobalt is a metal used in the manufacturing of rechargeable batteries.

During our visit to the zoo, we saw an impressive cobra with its hood spread.

After a long day of work, he rewarded himself with a large glass of ice-cold Coke.

Coca leaves are traditionally chewed by the indigenous populations of the Andes.

The coalition of left-wing parties won a resounding victory in the elections.

To connect my new television, I need a higher quality coax cable.

The coalescence of ideas has led to a revolutionary innovation.