On analytical study of heat transfer phenomenon in special-shape soldering ironXasanboy Qodirov, Xurshida Rajabova, Nurzoda Аbdullajonova, Zamiraxon Otaxonova, Ibratjon Аliev, Sultonali Abdurakhmon and Shavkat SayitovE3S Web of Conf., 508 (2024) 05006DOI: https://doi.org/10.1051/e3sconf/202450805006