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| stonework | |||
| rock work; rockwork; stone work | |||
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| hard heading work; rock work; stone work; dead work | |||
| deadwork; stonework; hard heading work (в угольной шахте); hard work | |||
| dead hard work (Leonid Dzhepko); dead hard work (MichaelBurov) | |||
| работы по породе: 9 do fraz, 3 tematyki |
| Geologia | 1 |
| Górnictwo | 6 |
| Technika i technologia | 2 |