Słowa kluczowe: statistical test, normality of distribution, fuzzy statistics, bootstrap, electro-spark deposition, coating, properties, McKibben artificial pneumatic muscle, biomechanical systems, LBM, CFD, FSI, direct acting relief valve, Shainin’s approach, Red X, design of experiment, slewing bearings, bolt connections, load capacity bearings, manufacturing ICT, databases, n-tier models, database-centric architecture, disc manufacturing process, clutch disc, spring ring, friction linings, oxygen balance, rocket engine, aircraft, oxidizer charge, diversification, machinery industry, production engineering, strategy, clean production, pellet production, protection of the environment, laser welding, fusion zone, ASTM, image analysis, metallography, microstructure, standardization, waste, packaging waste, waste management, cloud defect, polyurethane metallic paint, metallic topcoat, polyurethane special effect, porosity, map of pores distribution, boundary value problem, variational iteration technique, approximate solution, system of integral equations, fatigue properties, trailers construction, higher-strength steel, fractographic analysis, boiling heat transfer, microstructures