by Viktoria Kondrashuk Keywords: COVID-19, PRODUCTION, MATHEMATICAL OPTIMIZATION, SCHEDULE PLAN, SCHEDULE THEORY, SCHEDULE COMPOSITION, COST REDUCTION, LABOR ORGANIZATION, MANAGEMENT OF A PRODUCTION ENTERPRISE, CONVEYOR LINE, AUTOMATION. Description of the Business Problem. Why Does it Matter? This year, the entire world business has faced another crisis; this time was caused by the outbreak of the global pandemic of the new virus…