(6) Display of an image or video showing the placement location and procedure at a fixed position in the field of view [1]


(7) Display of the semi-translucent video showing the placement location and procedure in the field of view [3]


(8) Display of an image or video showing the placement location and procedure at a fixed position in the field of view in accordance with viewing angle [4]


(9) Display of an image or video showing the placement location and procedure in the field of view at a place near the location of work [1]


(10) Display of a 3D model or 3D CG animation showing the placement location and procedure superimposed on the designated location [1]


(11) Display of a 3D CG animation showing the procedure from the current state up to the goal (target) state and is  superimposed on the target object and the designated location, respectively