This is the 15112th most frequent Polish word.
rzemieślniczych
"Rzemieślniczych" means "artisan" or "craftsman-related" in English.
Here, 'rzemieślniczych' is an adjective describing 'piekarni' (bakeries) and emphasizes their artisanal and handcrafted nature.
Lubię produkty rzemieślniczych piekarni.
I like products from artisanal bakeries.
In this sentence, 'rzemieślniczych' modifies 'technik' (techniques), indicating that these techniques are artisan or craft-based.
Książka opisuje metody rzemieślniczych technik.
The book describes methods of artisanal techniques.
Here, 'rzemieślniczych' qualifies 'wytwórców' (producers), highlighting that they are involved in artisanal production.