A na-akpọkwa mmanụ breeki ụgbọ ala mmiri breeki ụgbọ ala, bụ sistemụ breeki ụgbọ ala dị mkpa "ọbara", maka breeki diski a na-ahụkarị, mgbe onye ọkwọ ụgbọ ala brek, site na pedal iji gbadata ike, site na piston nke breeki mgbapụta, site na mmanụ breeki iji bufee ume na...
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