Azimov ST, Rakhimov GB, Buronov FE. SCIENTIFIC PRINCIPLES AND PRACTICAL SIGNIFICANCE OF PREHEATING (PREHEAT) AND POST-WELD HEAT TREATMENT (PWHT) METHODS IN THE WELDING PROCESS. SRT. 2025;3(4):135-140. doi:10.70769/3030-3214.SRT.3.4.2025.14