A crucial part to any warehouse workflow is the process of order picking. Orders can significantly vary in the number of items, mass, volume and the total path needed to collect all the items. Some orders can be picked by just one worker, while others are required to be split up and shrunk down, so that they can be assigned to multiple workers. This paper describes the complete process of optimal order splitting. The process consists of evaluating if a given order requires to be split, determining the number of orders it needs to be split into, assigning items for every worker and optimizing the order picking routes. The complete order splitting process can be used both with and without the logistic data (mass and volume), but having logistic data improves the accuracy. Final step of the algorithm is reduction to Vehicle Routing Problem where the total number of vehicles is known beforehand. The process described in this paper is implemented in some of the largest warehouses in Bosnia and Herzegovina.

The mosque with wooden minaret, porch and hip roof, represents the authentic building type which had been built on a large number through four centuries of the Ottoman period in Bosnia and Herzegovina (1463–1878). These structures were constructed using locally available materials and construction techniques, all done by domestic builders. Sometimes numerous, small neighbourhood (mahalle) mosques constantly decay and disappear in last hundred years, as a result of incompetent appraisal and maintenance, violent or deliberate demolition, and also unacceptable intentions to build a new, larger and more ‘modern’ mosque in place of an old one. This study aims to analyse four small neighbourhood mosques in the Tuzla region, dating back to the 16th and early 17th century, in terms of the authenticity of form, method of construction, similarity and differences with other matching examples in Bosnia, as well as problems and possibilities of their restoration, today’s use and proper maintenance. Džindijska and Mejdanska mosque in Tuzla town, Atik mosque in Cive, and Džebarska mosque, belong to a single space type with a two-story porch, both under the wooden pitched roof with integrated wooden minaret. After being worn out and with an altered look, the restoration works had given them back previous, more authentic form. As a valuable symbol of the cultural identity and continuity, this autochthonous mosque type can be preserved with sustainable methods and principles of the restoration, with due respect of the contemporary context, values and users’ needs. Key words: mosque with wooden minaret, mosque restoration, two-story wooden porch, Džindijska mosque, Mejdanska mosque, Atik mosque in Cive, Džebarska mosque, Tuzla

Constant improvement and evolution is one of the basic components of human nature. It is a requirement for one’s survival and well-being of future g