Sections of the main mine workings. Basic dimensions
|
Cross-sections of mining underground exploration workings. Shape and dimensions
|
Mine exploratory underground drifts. Dimensions of sections
|
Cross-sections of the main mine workings for a 1 - and 2-ton trolley. Classification
|
Cross-sections of the main mine workings for a 1-ton trolley. Classification, types and dimensions
|
Cross-sections of the main mine workings for a 5-ton trolley. Classification (recommended)
|
Cross-sections of the main mine workings for a 3-ton trolley. Classification (recommended)
|
Cross-sections of the main mine workings for a 2 - and 3-ton trolley. Classification, types and dimensions
|
Sections of drainage grooves in horizontal mine workings. Classification
|
Sections of drainage grooves in horizontal mine workings. Types and dimensions
|
Sections of drainage grooves in horizontal mine workings. Basic dimensions
|
Faces of single-bucket excavators. Quality indicators.
|
