The first part of the structure is the line structure, who reports to who, and the second is the staff structure, who is responsible for what functions.
The second is the staff structure which is who is responsible for what functions. The first part of the twofold structure is the line structure.
The first part of the twofold structure is the line structure. The second is the staff structure which is who is responsible for what functions.
The first part of the twofold structure is the line structure. The second is the staff structure which is who is responsible for what functions.