The MAT_NAME and PRICEx columns contain graphics that can be switched on and off using the Show graphics in table
button to switch them on and off.
The control of graphics in columns takes place in PARTlinkManager -> Configure dialog -> PARTlinkManager settings [PARTlinkManager preferences] tab page -> Adjust table values.
In the column "MAT_NAME", for certain materials such as "STEEL", "COPPER", for example, also bitmaps are provided.