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The desire for organizations to become innovative has led them focusing on manufacturing concepts such as lean manufacturing, which are very important for companies to succeed in the competitive global environment. The culture of an organization, and its applied strategies, varies from one organization to another, and the organizational culture plays an important role for successful implementation of lean concepts and in shaping the company to becoming an effective and competitive business. The Toyota Way lean culture concepts, has became Toyota's core competence and a major part of Toyota's success in being able to continuously improve and remain competitive globally. The core values that make up this culture are important factors in order to become lean. Toyota believes that lean is not just a set of tools to reduce cost for the short term, but building a culture of learning organization that can become adaptable and dynamic for the long term. This paper measure and assess the current organizational critical lean culture criteria, which lead to find new areas of improvement, and investigate a ways to improve them to ensure successful and sustaining implementation of Lean methodology in the organizations. This paper indicates that the existing organizational culture of technical support unit of airplanes can be improved by focusing on mutual respect, training, empowerment and motivation for employees within the company.

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Many manufacturing companies when implementing lean manufacturing, they only emphasize on lean tools and techniques. They ignored the human factor or more specific they failed to build the right culture. Hence, these companies could not obtain the full benefits of lean manufacturing implementation, and in fact, they are having difficulties sustaining the success attained. This paper provides a theoretical lean culture criteria framework for implementation of lean manufacturing. This framework builds on the literature review that involves major sources of lean manufacturing community and also based on Toyota way culture. This study investigates how the lean culture influences the implementation of lean system in all organizations. The study further explains how an organization can benefit from assessment of their culture by adopting lean culture framework. It is found from the literature review that a number of factors need to be taken into account in order to implement a successful lean system. The framework would enable the organizations to assess their internal culture before implementing lean methodology.

Many organizations are nowadays interested in adopting lean manufacturing strategy that would enable them to compete in this globalization market. Lean production philosophy striving for elimination of all kind of waste, which is becomes the main target in industrial companies, as well as in food industrial organizations. Decreasing the process time and identifying all types of defects in the production line are critical in improving the productivity, especially in mass production companies. The objectives of this paper are implementing the lean production tools in a mass production company for food industry to reduce the major kinds of waste and increase the productivity of the company. This paper is focusing on collecting qualitative data about the major kinds of waste in the production line, and analyzing those data to find the root causes of the major wastes in all processes in the production line and trying to eliminate them in order to improve the productivity. The achieved results indicate that implementation of some lean tools in the company with the available resources without additional cost such as; routine maintenance, correction, adjustment and repair has a great impact on increasing machines availability, the total productivity and the net profit in the company. KEY WORDSLean production; seven waste; improve the productivity.---