Carbon brushes are "consumable" parts. Over time, they wear down and must be replaced to ensure the motor continues to run smoothly and to prevent damage to the motor's internal parts.የካርቦን ብረሾች (Carbon Brushes)** ይባላሉ። እነዚህ ክፍሎች በኤሌክትሪክ ሞተሮች እና በተለያዩ የኤሌክትሪክ መሳሪያዎች (እንደ ድሪል፣ አንግል ግራይንደር፣ ወዘተ) ውስጥ እጅግ ወሳኝ ሚና ያለው