Analysis of Polyurethane Foam Machining Parameter Influence: Current Status and PerspectiveArchi Kun Cahyo Utomo, Ubaidillah, Wijang Wisnu Raharjo and Widyanita HarwijayantiE3S Web of Conf., 517 (2024) 12008DOI: https://doi.org/10.1051/e3sconf/202451712008