Buica, G., Antonov, A. E., Beiu, C., Remus, D., Pasculescu, D. and Ahmad, M. A. (2019) “Some Features of Non-Safety Costs in Maintenance of Work Equipments: Maintenance of Work Equipment’s”, International Journal of Science and Engineering Invention, p. 39 to 43. doi: 10.23958/ijsei/vol05-i02/135.