AN EVALUATION OF YELLOW OLEANDER (THEVETIA PERUVIANA) SEED OIL AS A CUTTING LUBRICANT USING THE EXAMPLE OF MEDIUM CARBON STEEL FOR TURNING ON THE LATHE MACHINE. JESR [Internet]. 2025 May 25 [cited 2025 Sep. 13];30(3):26-35. Available from: https://jesr.ub.ro/journal/article/view/462