Lab technicians, far right, of the Animal Diseases Research Insitute within the Ministry of Water and Life Development conducting tests on plant specimens for certain substances using an infrared spectroscopic transmitting machine using the Kjelldahl meth

© UNFAO Lab technicians, far right, of the Animal Diseases Research Insitute within the Ministry of Water and Life Development conducting tests on plant specimens for certain substances using an infrared spectroscopic transmitting machine using the Kjelldahl meth

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