The theory makes no additional staffing and employee not subject to House other works by เปลื่ย instead. When the employee has been assigned to make a fidelity company.
Theories do not need to hire additional staff and no staff. The change to run instead. When employees do their job assignments will be devoted to the company.
The theory that does not have to be hiring more employees and not waste employees. By changing to another work instead. When the staff liked to the assignment will make a loyalty to the company.