I bought new work clothes.

He has a small workshop at home.

He is working on a new project at the workbench.

We would like to contribute as a part of this community.

We are considering a joint investment for the new project.

We decided to jointly invest in a new project.

We should join forces for the joint struggle.

His success had a cause-and-effect relationship with his efforts.

He and I are related by blood.

There is a complex love triangle between them.