Includes the ability for job skills, attitudes, etc., that is obvious, and is different from the others and make them as required to maintain employment and maintained his own organization.
Including knowledge, skills, attitudes, etc., in a vivid and distinct from the others, making them as needed to maintain employment and enterprise of his own.
The knowledge and ability to work, skills, attitudes, etc. clearly different from others and make them be need in employment and maintenance of his organization.