What is a collective article?
I can create collective articles in the software. A collection can consist of several different recyclable material units.

To create a collective article in the software, create an article as usual. You can find out how to do this here.
The collective item itself could have a name such as "ACollective".
This name acts as a superordinate term for the collective article.
Unlike with “normal” articles, you can add several “sub-articles” to the parent collective term for collective articles:
Accordingly, the disposal company is given the opportunity to report back the individual fractions when the item is ordered:
This means I have all the necessary information about the fraction and weight in my order and don't have to create an order for each individual fraction.