The team co-ordinated their efforts to complete the project on time.

She co-chaired the meeting with her colleague.

She is co-chairing the meeting.

She is co-ordinating the project.

She was appointed as the co-chair of the committee.

She will co-chair the meeting with him.

The co-chairs of the committee are responsible for leading the meetings.

The co-chairs will lead the meeting.

The power plant co-fires biomass and coal to generate electricity.

The ceramics were co-fired in the kiln.