Ensure food hygiene according to HACCP. In practice this covers independent execution, quality assurance of one's own results, and close alignment with adjacent roles and interfaces.Ensure food hygiene according to HACCP. In practice this covers independent execution, quality assurance of one's own results, and close alignment with adjacent roles and interfaces.Ensure food hygiene according to HACCP. In practice this covers independent execution, quality assurance of one's own results, and close alignment with adjacent roles and interfaces.