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Furniture design appeared due to the emergence of pre-historic communities with the first need to stability. Chairs are considered an essential element in interior design, and its design depends on its function, the space in which it will be placed, and to be in harmony with the surroundings. Some of the furniture units of various eras had been implemented in an aesthetic style and a great skill. They have returned to the artworks and deserved to occupy their distinctive place in the museums as artistic pieces. The problem of research lies in imitating some furniture designers of designs from previous civilizations without knowing the reasons for their appearance, and so it does not fit or correspond to the current era. Plus the lack of definition in some designers of the variety and creativity of chairs in different civilizations, which are the bases of the change in the design of chairs over time from the ancient Egyptian civilization up to the twentieth century. This paper aims to benefit from the aesthetic and functional values ​​of chairs across different civilizations to enrich the design thought of the designers, by presenting the different chairs designs as an applied product as it is considered the cultural image that expresses the different ages. The methodology of this research is according to the historical method by presenting some of the varied designs of chairs across different civilizations. It is expected in this paper that shedding light on the creative methods of chairs designs and ornaments will positively reflect on the furniture designers and their creative ideas in particular and on society in general.

This paper establishes the system for termining the production of wooden chairs which is the consisting part of the system for production planning. It particularly discusses the termination of the production according to the structural components of the product in thermic units. It defines the simulation programme for the solution of the problem, which is projected in the way that it provides a continuous realization of the logistic chain from the moment of the purchase of repromaterial, through the realization of the working errand in the workshop, to the delivery of the product to the buyer. The simulation experiment starts with the assumption that the necessary repromaterial is opportunely accessible in the entrance storehouse. The programme, which is managed by the automatically calculated priorities of the working errands, completely describes what happens in the workshop.

The quality of products represents one of the key aims of any modern organized production. In the production practice, it is essential to establish the optimal relationship between quality, production economy and delivery deadlines. Furniture quality is evaluated by three levels and they are: basic quality, high quality and especially high quality. The results presented in this paper are based on the sample measurements of chairs and tables during 2007 and 2008 at the Institute for Furniture Quality Control.