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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
The images of extruded product produced from different types of corn and screw speed degrees of The samples 1, 4, 7 and 10 = 350 rpm; 2, 5, 8 and 11 = 500 rpm; 3, 6, 9 and 12 = 650 rpm.