Viability of selected agro-waste as case hardening materials for cutting tools – A reviewTemitayo Samson Ogedengbe, Sunday Adeniran Afolalu, Omolayo Michael Ikumapayi, Sulaiman Abdulkareem, Habeeb Ajimotokan and Moses Eterigho EmetereE3S Web Conf., 430 (2023) 01225DOI: https://doi.org/10.1051/e3sconf/202343001225