Hot press machine user interface design based on usability evaluation Shofi Fitrotis Salimah, Sabarudin Akhmad, Anis Arendra and Heri Awalul Ilhamsah E3S Web Conf., 499 (2024) 01010 Published online: 06 March 2024 DOI: 10.1051/e3sconf/202449901010