Companies of today must have their processes set in a way to fully use their capacities. It especially means efficient work slimming of processes reducing costs on quality but not at the expense of customer satisfaction. Within improving its processes they must carry out such improvements which allow them to eliminate unnecessary waste in the production process. Waste occurs in every enterprise therefore workers should constantly search for it and eliminate it to increase productivity and reduce costs. In uncovering waste it is important to note the fact that we are searching for issues and not their cause and the guilty party to punish. The ability to identify waste and eliminate its causes may be the source of great improvements. When identifying waste we distinguish between seven types of waste and we use different methods and tools of industrial engineering to eliminate them. Based on many years of experience from organizations analyses conducted through student theses and based on the reconnaissance we carried out within resolving a research task we can state that they include e.g. 5S SMED etc.