Learn how to say Carders correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word card:
comb and clean (raw wool, hemp fibres, or similar material) with a sharp-toothed instrument in order to disentangle the fibres before spinning:
the wool from the sheep was carded and spun
a toothed implement or machine for carding wool.
late Middle English: from Old French carde, from Provençal carda, from cardar ‘tease, comb’, based on Latin carere ‘to card’