This is the 5051st most frequent Russian word.
мех
Fur.
In this sentence, the word "мех" is used to describe the material, specifically fur, from which a clothing item is made.
Зимой я ношу шубу из натурального меха.
In winter, I wear a coat made of natural fur.
Here, "мех" appears as part of the word "механизм," related to mechanical structures or parts.
Механизм часов требует регулярного ухода и смазки.
The watch mechanism requires regular maintenance and lubrication.
This shows "мех" referring to fabricated fur, clearly distinguishing natural from synthetic types.