anyagokpéldául
Anyagokpéldául is not a standard Hungarian term. It appears to be a concatenation of the words anyagok (materials) and például (for example). In ordinary Hungarian this relation is usually written with a comma and the phrase split: anyagok, például. When encountered as a single word, it is most often the result of stylistic choice, a labeling convention, or a typographical variant rather than a recognized lexical entry.
The core idea behind the form is to flag or introduce examples of materials. In correct prose,
You may encounter the fused form in titles, labels, or design-sensitive contexts where a single token is
anyagok, például fa, üveg, fém
Például, demonstration of examples, Hungarian orthography regarding punctuation with nouns and lists.