Strength of Materials (known in Khmer as αααααΆαααααααΆαα * Kamlang Samvear or αααααΉααααααΆαααααααααΆαα Thon Nueung Kamlang Nea Samvear ) is a core subject in mechanical, civil, and structural engineering. It deals with the behavior of solid objects under stress and strain, including bending, torsion, and deflection.