Examination the mine shaft exploited in difficult geological conditionsExamination the mine
shaft exploited in difficult geological conditions
Balancing In-Line Two- and Four-Cylinder Piston Engines-combustion engines are considered. Such engines may be balanced by special positioning of the balance
shafts so
Earth drill with storage unit for examination of soils in horizontal alignment of roads in horizontal
alignment of roads allowing to improve process of ground drilling and sampling for researches
Study of free-convective heat exchange of air-coolable finned tube bundles intensified by exhaust shaft-row bundles of finned tubes without and with an exhaust
shaft are presented. It is shown that the inter