This product market is in turn divided into two levels that must be assessed separately from one another, namely the production of unprocessed float glass (level 1) and the processing of float glass (level 2).
Kõnealune tooteturg on omakorda jaotatud kaheks astmeks, mida tuleb hinnata üksteisest eraldi – töötlemata valuklaasi tootmine (I aste) ja valuklaasi töötlemine (II aste).