Translations:Material data model/38/en

Next actions

 * Define a set of names for classical properties, that we can define in a dictionary (FreeCAD configuration file). These properties will most notably be re-used in other contexts like the FEM module.
 * Fill up Chemical composition section.
 * Fill up Appearance section.
 * Define a set of default chemical components.
 * Review by other people.
 * Implement in C++ data model and ability to write/read in a file (ISO 10303-45 through SCL?).
 * Implement XML dictionaries to store default properties, with their units, that can be used by the user.
 * Implement python GUI to handle this data.