Автори

• Krstevska Aleksandra Faculty of Mechanical Engineering, “Ss. Cyril and Methodius” University in Skopje, P.O.Box 464, MK-1001 Skopje, Republic of North Macedonia
• Serafimovski Filip Apave SEE South Eastern Europe
• Gavriloski Marjan Faculty of Mechanical Engineering, “Ss. Cyril and Methodius” University in Skopje, P.O.Box 464, MK-1001 Skopje, Republic of North Macedonia
• Bogatinoski Zoran Faculty of Mechanical Engineering, “Ss. Cyril and Methodius” University in Skopje, P.O.Box 464, MK-1001 Skopje, Republic of North Macedonia
• Zdraveski Filip Faculty of Mechanical Engineering, “Ss. Cyril and Methodius” University in Skopje, P.O.Box 464, MK-1001 Skopje, Republic of North Macedonia