The objects stored in a collection is organized in material categories to facilitate the recognition of specimen containing diverse materials and to enable a specific design for the processing where e.g. bones differ in treatment from DNA samples. The list of material categories visible for the creation of new entries may be restricted as described in the chapter about the customization.
To administrate the material categories, choose Administration - Material categories... from the menu. A window as shown below will open.
To add resp. remove a material category use the 
resp.
button. To set the superior material
category use the
button. With the
button you can set a symbol for the
material category. Please keep in mind, that this will be converted into a 16 x
16 size icon. For the translations
for display texts, abbreviations etc. please see the chapter about database description.
At the base of the window, the
projects that are restricted to an entry are listed (see
).
To
administrate the projects that should restrict the available
material category choose Administration - Enumerations -
Project - Material category...
from the menu. A window as shown below will open. If a
project is restricted, the client settings will be ignored (see
chapter Customize).
To add resp. remove a material category
for a project use the resp.
button.