You can use this command to view physical data on the respective part and calculate the volume and center of mass.
You can set the desired unit [Unit] using the list fields for surface area [Surface], volume [Volume], weight [Weight] and center of mass [Center of gravity].
Material:
Either
use the list field at the top
or
activate the Use for all individual parts [Use for all single parts] checkbox and assign the material for each component separately in the corresponding list fields of the individual components.
Note
In the line
of single parts, the end result considers the number of parts.