Mining Engineers' Handbook, Volume 1Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 23-34
... accidents und'g'd . 228 67 186 .28 14 08 16 14 131 40 Gas and coal - dust explosions 49 15 05 19 .17 .08 Blasting accidents .. 50 15 16 02 2 .01 .02 18 .06 Electricity ... 45 13 3 01 01 Other causes underground . 85 .25 58 14 08 6 05 29 ...
... accidents und'g'd . 228 67 186 .28 14 08 16 14 131 40 Gas and coal - dust explosions 49 15 05 19 .17 .08 Blasting accidents .. 50 15 16 02 2 .01 .02 18 .06 Electricity ... 45 13 3 01 01 Other causes underground . 85 .25 58 14 08 6 05 29 ...
Halaman 23-36
... accidents . They are generally due to entering dan- gerous places unnecessarily . To prevent this , such places should be properly ventilated or per- manently walled off . Accidents from electricity ( shock or burns ) , not including ...
... accidents . They are generally due to entering dan- gerous places unnecessarily . To prevent this , such places should be properly ventilated or per- manently walled off . Accidents from electricity ( shock or burns ) , not including ...
Halaman 23-40
... Accidents from falls of ground are largely a question of method of mining . If deposit is extensive laterally ... accidents are preventable by selecting careful timbermen . Hand tools_on surface and in open - cuts caused over 2 % of all ...
... Accidents from falls of ground are largely a question of method of mining . If deposit is extensive laterally ... accidents are preventable by selecting careful timbermen . Hand tools_on surface and in open - cuts caused over 2 % of all ...
Isi
COMPRESSED AIR PRACTICE | 15-2 |
Appli | 15-15 |
Hydraulic Compressors | 15-22 |
Hak Cipta | |
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Istilah dan frasa umum
adjustment Aerial Tramway anthracite approx assay aver borax buckets Bur Mines capac carriers cars charge chute claim coal mines compressed compressor concentrate conveyer copper cost crusher crushing cu ft cupel cyanide deflection diam discharge distance drill dust elev engineer explosions feed filter fire firedamp gold hoisting horiz intercooler labor lamp less litharge loaders loading lode long ton machine mechanical metal method mill mineral motor operation pipe plant plate plumb-bob pump pyrite rock safety lamps sample screen shaft sheave short ton side silver sizes Sodium carbonate solution speed station steel stopes surface survey Table tape telescope temp tension tests timber tion tons Total towers track cable traction rope tramway Trans transit traverse underground usually vein vertical wire zinc