 ... 4. The charge shall be detonated with a permissible shot-firing unit 5. Cardox shall not be shot off the solid, over heavy rock binders or shale, or in a "tight  Miners' Circular - Page 701947Full view - About this book
 | United States. Congress. House. Education and Labor - 1969 - 688 pages
...i P > The charge shall he detonated with a ]>ermissible shot-firing unit < E) Car'i"^ 'hall not he shot off the solid, over heavy rock binders or shale, or in a "(fcjhtj^IiuL (F) Cardox misfires shall not be approached until after the elapse of 15 minntes and... | |
 | Administrative law - 1976 - 760 pages
...currents. (4) The charge shall be detonated wltn ft permissible shot-firing unit. (5) Cardox shall not be shot off the solid. over heavy rock binders or shale, or In ยป "tight" shot. (6) Cardox misfires shall not be approached until after the elapse of IB minutes and... | |
 | Administrative law - 1977 - 848 pages
...electric currents. (4) The charge shall be detonated with a permissible shot-firing unit. (5) Cardox shall not be shot off the solid, over heavy rock binders or shale, or in a "tighf shot. (6) Cardox misfires shall not be approached until after the elapse of 15 minutes and shall... | |
 | Mines and mineral resources - 1943 - 696 pages
...from all shells, whether charged, discharged, or misfired, before they are removed from the face. 87. Cardox should not be shot off the solid, over heavy rock binders or shale,. or in a "tight" shot. *38. Everyone should be 100 feet or more from a Cardox shot and have, if possible, two or more intervening... | |
 | Administrative law - 1972 - 648 pages
...electric currents. (4) The charge shall be detonated with a permissible shot-firing unit. (5) Cardox shall not be shot off the solid, over heavy rock binders or shale, or in a "tight" shot. (6) Cardox misfires shall not be approached until after the elapse of 15 minutes and shall be handled... | |
 | Mines and mineral resources - 1945 - 798 pages
...shells, whether charged, discharged, or misfired, before they are removed from the- face. 5.64. Cardcx should not be shot off the solid, over heavy rock binders or shale, or in a"tight"shot. 5.65. Everyone should be ICO feet or more from a Cardox shot and have, if possible, two... | |
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