1. Introduction -- 2. Queuing systems applied -- 3. Literature review -- 4. Purpose, method applied and field of consideration -- 5. Reliability and the exploitation process -- 6. Probabilistic properties of components of the machinery system exploitation process -- 7. Modelling and analysis of the exploitation process of a shovel-truck system : part I -- 8. Verification of selection of structural parameters of the system -- 9. Modelling and analysis of the exploitation process of a shovel-truck system : part II -- 10. Further analysis and system calculation -- 11. Modelling - Case study I -- 12. Spare loaders -- 13. Modelling - Case study II -- 14. Systems with priority and the ideal dispatcher -- 15. Hauling distance and system characteristics -- 16. Special topic : availability of a technical object -- 17. Final remarks.