Dangerous coal seams
Dangerous are the seams on those levels (layers) of the mine field, within which mining shocks (micro-shocks) have occurred or shock hazard has been established by forecast, and the same seams on the lower levels (layers) of the mine field
Source: "INSTRUCTION ON SAFE CONDUCT OF MINING WORKS AT COAL MINES WITH SEAMS SUSCEPTIBLE TO MINING SHOCKS. RD 05-328-99"
(approved by the Order of the State Coal Safety Inspection of Russia dated 29.11.1999 No. 87)
(together with "METHOD OF FORECASTING SHOCK HAZARD IN COAL SEAMS AND ROCKS", "REGULATIONS ON THE COMMISSION FOR MINING SHOCKS", "MODEL REGULATIONS ON THE SERVICE FOR FORECASTING AND PREVENTION OF MINING SHOCKS AT MINES", "METHOD OF FORECASTING SHOCK HAZARD IN COAL SEAM AREAS AND MONITORING THE EFFECTIVENESS OF PREVENTIVE MEASURES")
Понятие «угольные пласты опасные» мужского рода.
| Падеж | Единственное число | Множественное число |
|---|---|---|
| Р | угольного пласта опасного | угольных пластов опасных |
| Д | угольному пласту опасному | угольным пластам опасным |
| В | угольный пласт опасный | угольные пласты опасные |
| Т | угольным пластом опасным | угольными пластами опасными |
| П | угольном пласте опасном | угольных пластах опасных |