We should also mention the American model, which is the concentration of the Japanese and European national
models, while the American model, on the one hand, may seem more simplified (liberal) compared to the
Japanese model, but, on the other hand, more rigid compared to the European model of quality management.
As part of the national models, various concepts of manufacture organization (including the organization of
agricultural production), aimed at improving the quality of products may be used. Among these models of
quality management in particular, we should highlight the following most famous developments (Total Quality
Management And Six Sigma, 2012; Zineldin, 2001):