An expression of economical, technical and technological processes by means of models consists in a selection of such facts which can be expressed with help of mathematical tools to provide us a suitable possibility of simpler descriptions or predictions of changes.A situation can occur that a functional expression is not possible or invokes so complicated mathematical relations that their explicit solving is not possible. Some numerical approximations are then attempted or simulated of the processes elements. The simulation procedure is used in a situation where it is not possible to handle analytical expression appropriately.The paper will be focused on a simulation procedure, which will be applied to a certain process of the metallurgical production. The goal is to find the warehouse operator's workload, the average wait time in the queue, and possibly to suggest further recommendations for optimizing the process.Keywords: process simulation, bulk service, metallurgical production
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