Cooperative means working well with others.
Diplomacy
A twelve letter word for working well together is the word "cohesiveness".
Extrovert Gregarious
Volunteering?Working pro bono, of course.
Anti-social
Amiable, Sociable
excel
You are sociable or you have good rapport with others.
You can confirm effective working methods with others in two ways. One is by observation, which will show you how well people together work as a team. The other is assessment. Running company reports on efficiency and production will tell you if your system is working or needs tweaking.
uncoordinated, at 6's and 7's, uncooperative,
working well
To be inefficient implies that something or someone is not working as well as it could be. Synonyms for the word include disorganized, incompetent, or ineffectual.
He enjoyed working in the lab, so he tried his best to do his job well.