TIP: The label (top right) marked in red shows the activity type.
Hover your mouse (touch on smart phones) over the label to get more help.
Each leader line points to a specific component in the 3D model. The blank spaces on the right-hand side must be filled with the correct term of the component.
By accident, if you delete or minimize or move the labels in the 3D model (A, B, C, etc.), you can reverse this by clicking on the "Reset" button on the top left corner.
Once you click on the reset button you will have the label again.
Once you are sure about your answer, click on the “check answer button”.
Correct answers are indicated with a green-lined checkmark (✔) symbol and incorrect answers are indicated with a red-lined cross checkmark (✖) symbol.