In a school principal makes sure that every instructin, order or information given by him must be passed to ovice-principal then Head to the department and then to teachers and students must be respective teachers only. He never allows teahers to directily communicate with him.
(i) State the Principle of Henry Fayol followed by the school principal.
(ii) In case of emergency which cancept of Scalar Chain can be used by teacher to pass unrgent massage directly to principal.

Explanation

(i) Scalar Chain.
(ii) Gang-plank.