“…The first factor was feed rate with three levels 3.7 kg/min (F 1 ), 4.2 kg/min (F 2 ), and 5.2 kg/min (F 3 )) and the second factor was roller speed with three levels (276 rpm (V 1 ), 326 rpm (V 2 ) and 376 rpm (V 3 )). These factors are randomly selected based on the size of the garlic bulb-breaking unit and related research work with the current topic reported by [ [ 19 , 20 , 22 , 23 ] ] . Each treatment combination was done in triplicate.…”