Concept of workings reuse with application of resource-saving bolting systemsVolodymyr Bondarenko, Iryna Kovalevska, Oleksandr Husiev, Vasyl Snihur and Ildar SalieievE3S Web Conf., 133 (2019) 02001DOI: https://doi.org/10.1051/e3sconf/201913302001