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I'm<00:00:06.000><c> Andy</c><00:00:06.299><c> Sawyers</c><00:00:06.660><c> with</c><00:00:06.899><c> Virginia</c><00:00:07.080><c> energy</c>

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I'm Andy Sawyers with Virginia energy
 

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I'm Andy Sawyers with Virginia energy
and<00:00:07.919><c> this</c><00:00:08.099><c> is</c><00:00:08.220><c> your</c><00:00:08.340><c> mind</c><00:00:08.460><c> safety</c><00:00:08.880><c> minute</c>

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and this is your mind safety minute
 

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and this is your mind safety minute
today<00:00:09.660><c> we're</c><00:00:09.840><c> going</c><00:00:09.960><c> to</c><00:00:10.019><c> be</c><00:00:10.139><c> talking</c><00:00:10.260><c> about</c>

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today we're going to be talking about
 

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today we're going to be talking about
ventilation<00:00:11.040><c> practices</c><00:00:11.519><c> in</c><00:00:11.880><c> underground</c>

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ventilation practices in underground
 

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ventilation practices in underground
coal<00:00:12.599><c> mines</c><00:00:12.719><c> we</c><00:00:13.559><c> have</c><00:00:13.740><c> several</c><00:00:14.040><c> different</c>

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coal mines we have several different
 

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coal mines we have several different
tools<00:00:14.639><c> that</c><00:00:14.880><c> we</c><00:00:15.059><c> use</c><00:00:15.240><c> to</c><00:00:15.599><c> make</c><00:00:15.719><c> sure</c><00:00:15.839><c> that</c><00:00:16.080><c> the</c>

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tools that we use to make sure that the
 

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tools that we use to make sure that the
mine<00:00:16.800><c> is</c><00:00:16.920><c> properly</c><00:00:17.160><c> ventilated</c><00:00:17.640><c> this</c><00:00:18.300><c> is</c><00:00:18.420><c> an</c>

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mine is properly ventilated this is an
 

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mine is properly ventilated this is an
anemometer<00:00:19.020><c> and</c><00:00:19.380><c> it's</c><00:00:19.500><c> used</c><00:00:19.680><c> to</c><00:00:19.859><c> make</c><00:00:20.039><c> sure</c>

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anemometer and it's used to make sure
 

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anemometer and it's used to make sure
that<00:00:20.340><c> air</c><00:00:20.520><c> is</c><00:00:20.699><c> moving</c><00:00:21.000><c> in</c><00:00:21.180><c> and</c><00:00:21.300><c> out</c><00:00:21.480><c> of</c><00:00:21.600><c> the</c>

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that air is moving in and out of the
 

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that air is moving in and out of the
mine<00:00:21.900><c> and</c><00:00:22.260><c> in</c><00:00:22.500><c> and</c><00:00:22.619><c> out</c><00:00:22.740><c> of</c><00:00:22.859><c> the</c><00:00:22.920><c> place</c><00:00:23.039><c> where</c>

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mine and in and out of the place where
 

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mine and in and out of the place where
miners<00:00:23.640><c> are</c><00:00:23.820><c> working</c>

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miners are working
 

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miners are working
this<00:00:25.019><c> is</c><00:00:25.140><c> a</c><00:00:25.260><c> Magna</c><00:00:25.560><c> helic</c><00:00:25.920><c> gauge</c><00:00:26.160><c> Magna</c><00:00:26.699><c> helic</c>

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this is a Magna helic gauge Magna helic
 

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this is a Magna helic gauge Magna helic
tells<00:00:27.359><c> us</c><00:00:27.420><c> what</c><00:00:27.720><c> the</c><00:00:27.840><c> pressures</c><00:00:28.080><c> are</c><00:00:28.320><c> in</c><00:00:28.560><c> a</c>

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tells us what the pressures are in a
 

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tells us what the pressures are in a
given<00:00:28.920><c> area</c><00:00:29.039><c> to</c><00:00:29.640><c> decide</c><00:00:29.939><c> if</c><00:00:30.060><c> we</c><00:00:30.240><c> have</c><00:00:30.359><c> any</c><00:00:30.539><c> kind</c>

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given area to decide if we have any kind
 

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given area to decide if we have any kind
of<00:00:30.840><c> a</c><00:00:30.900><c> restriction</c><00:00:31.260><c> in</c><00:00:31.619><c> that</c><00:00:31.740><c> area</c><00:00:31.920><c> to</c><00:00:32.220><c> airflow</c>

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of a restriction in that area to airflow
 

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of a restriction in that area to airflow
for<00:00:33.180><c> smaller</c><00:00:33.540><c> spaces</c><00:00:33.899><c> or</c><00:00:34.079><c> confined</c><00:00:34.559><c> areas</c><00:00:34.860><c> we</c>

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for smaller spaces or confined areas we
 

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for smaller spaces or confined areas we
use<00:00:35.280><c> this</c><00:00:35.460><c> pedo</c><00:00:35.940><c> tube</c><00:00:36.239><c> to</c><00:00:36.480><c> be</c><00:00:36.540><c> able</c><00:00:36.660><c> to</c><00:00:36.780><c> get</c>

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use this pedo tube to be able to get
 

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use this pedo tube to be able to get
measurements<00:00:37.440><c> that</c><00:00:37.620><c> we</c><00:00:37.800><c> couldn't</c><00:00:37.920><c> get</c>

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measurements that we couldn't get
 

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measurements that we couldn't get
remotely<00:00:39.180><c> the</c><00:00:39.780><c> quality</c><00:00:40.079><c> of</c><00:00:40.260><c> the</c><00:00:40.379><c> air</c><00:00:40.500><c> in</c><00:00:40.680><c> the</c>

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remotely the quality of the air in the
 

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remotely the quality of the air in the
mine<00:00:40.980><c> is</c><00:00:41.280><c> just</c><00:00:41.399><c> as</c><00:00:41.579><c> important</c><00:00:41.940><c> as</c><00:00:42.120><c> the</c>

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mine is just as important as the
 

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mine is just as important as the
quantity<00:00:42.600><c> of</c><00:00:42.719><c> air</c><00:00:42.840><c> in</c><00:00:43.020><c> the</c><00:00:43.140><c> mind</c><00:00:43.260><c> this</c><00:00:43.800><c> is</c><00:00:43.920><c> a</c>

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quantity of air in the mind this is a
 

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quantity of air in the mind this is a
multi-gas<00:00:44.579><c> detector</c><00:00:45.000><c> that</c><00:00:45.300><c> tells</c><00:00:45.480><c> us</c><00:00:45.540><c> what's</c>

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multi-gas detector that tells us what's
 

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multi-gas detector that tells us what's
in<00:00:46.079><c> the</c><00:00:46.200><c> air</c><00:00:46.320><c> such</c><00:00:46.980><c> as</c><00:00:47.160><c> oxygen</c><00:00:47.700><c> Co</c><00:00:47.879><c> or</c><00:00:48.239><c> methane</c>

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