Influence of wear of friction wedges of model 18-100 trolleys on the lifetime of the combAziz Gayipov, Farida Galimova, Yahyo Xurmatov, Kurbonnazar Shokuchkorov and Jamshid AbdirakhmanovE3S Web of Conf., 458 (2023) 10021DOI: https://doi.org/10.1051/e3sconf/202345810021