Step 4. Add group boxes

Click the menu and select eXtensions:

 

The Extensions Toolbox is displayed on the right:

Scroll down the Extensions Toolbox and locate Group Box:

  

 

Drag it to the body of the panel and drop it somewhere like this:

Dragging the box from the handles, enlarge it so that it encloses the group of fields in the first column:

 

Set the caption to Units and Codes:

Drag a second group box and repeat with the other group of fields.

Set the caption of the second group box to Weights, Quantities and Volumes: