To be a good supervisor will need to have knowledge and skills in a variety of skills to include in the top supervisors, everyone must have, it is a matter of motivation in the work to their minions.
To be a good leader. Must have knowledge and skills in many households. But the skills of the top supervisors must all have it. The motivation to work with their counterparts.
In the good work. Must have the knowledge and skills of assembly But the skills in the top of the head of the all must have is The subject of the motivation for their employees