505 lines
21 KiB
Plaintext
505 lines
21 KiB
Plaintext
WEBVTT
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Kind: captions
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Language: en
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this<00:00:00.420><c> video</c><00:00:00.750><c> shows</c><00:00:01.079><c> you</c><00:00:01.110><c> in</c><00:00:01.380><c> part</c><00:00:01.680><c> how</c><00:00:01.890><c> rocks</c>
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this video shows you in part how rocks
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this video shows you in part how rocks
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are<00:00:02.429><c> prepared</c><00:00:02.820><c> for</c><00:00:03.030><c> view</c><00:00:03.270><c> under</c><00:00:03.540><c> a</c><00:00:03.570><c> microscope</c>
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are prepared for view under a microscope
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are prepared for view under a microscope
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we'll<00:00:05.970><c> start</c><00:00:06.240><c> with</c><00:00:06.359><c> the</c><00:00:06.450><c> oil</c><00:00:06.480><c> saw</c><00:00:08.120><c> this</c><00:00:09.120><c> is</c><00:00:09.300><c> our</c>
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we'll start with the oil saw this is our
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we'll start with the oil saw this is our
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technician<00:00:10.050><c> bill</c><00:00:10.290><c> he's</c><00:00:10.620><c> clamping</c><00:00:11.099><c> in</c><00:00:11.280><c> the</c>
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technician bill he's clamping in the
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technician bill he's clamping in the
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rock<00:00:11.610><c> in</c><00:00:12.049><c> preparation</c><00:00:13.049><c> for</c><00:00:13.080><c> cutting</c><00:00:13.679><c> it</c><00:00:13.799><c> with</c>
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rock in preparation for cutting it with
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rock in preparation for cutting it with
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that<00:00:14.160><c> circular</c><00:00:14.730><c> saw</c><00:00:15.000><c> blade</c><00:00:15.440><c> it's</c><00:00:16.440><c> important</c>
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that circular saw blade it's important
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that circular saw blade it's important
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that<00:00:16.890><c> he</c><00:00:17.310><c> clamps</c><00:00:18.090><c> it</c><00:00:18.210><c> in</c><00:00:18.359><c> so</c><00:00:18.630><c> the</c><00:00:18.750><c> rock</c><00:00:18.930><c> remains</c>
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that he clamps it in so the rock remains
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that he clamps it in so the rock remains
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steady<00:00:19.740><c> as</c><00:00:20.010><c> it's</c><00:00:20.699><c> being</c><00:00:20.910><c> cut</c><00:00:21.529><c> the</c><00:00:22.529><c> oil</c><00:00:22.560><c> saw</c><00:00:23.039><c> is</c>
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steady as it's being cut the oil saw is
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steady as it's being cut the oil saw is
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generally<00:00:24.090><c> used</c><00:00:24.390><c> to</c><00:00:24.510><c> cut</c><00:00:24.810><c> flat</c><00:00:25.500><c> slabs</c><00:00:25.980><c> from</c>
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generally used to cut flat slabs from
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generally used to cut flat slabs from
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bigger<00:00:26.580><c> rocks</c><00:00:26.939><c> rocks</c><00:00:27.390><c> that</c><00:00:27.599><c> are</c><00:00:27.750><c> too</c><00:00:27.900><c> big</c><00:00:28.080><c> to</c>
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bigger rocks rocks that are too big to
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bigger rocks rocks that are too big to
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be<00:00:28.410><c> cut</c><00:00:28.619><c> on</c><00:00:28.650><c> other</c><00:00:28.949><c> saws</c><00:00:29.929><c> he</c><00:00:30.929><c> has</c><00:00:31.050><c> to</c><00:00:31.230><c> close</c><00:00:31.470><c> the</c>
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be cut on other saws he has to close the
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be cut on other saws he has to close the
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lid<00:00:31.920><c> to</c><00:00:32.099><c> keep</c><00:00:32.130><c> the</c><00:00:32.309><c> oil</c><00:00:32.640><c> contained</c>
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now<00:00:37.280><c> he's</c><00:00:37.610><c> turned</c><00:00:37.940><c> on</c><00:00:38.120><c> the</c><00:00:38.270><c> saw</c><00:00:38.480><c> blade</c><00:00:38.840><c> and</c><00:00:39.170><c> he</c>
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now he's turned on the saw blade and he
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now he's turned on the saw blade and he
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loosened<00:00:40.040><c> the</c><00:00:40.129><c> knob</c><00:00:40.340><c> that</c><00:00:40.699><c> will</c><00:00:40.969><c> allow</c><00:00:41.329><c> that</c>
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loosened the knob that will allow that
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loosened the knob that will allow that
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weight<00:00:41.960><c> to</c><00:00:42.620><c> pull</c><00:00:42.949><c> the</c><00:00:43.550><c> rock</c><00:00:43.790><c> toward</c><00:00:44.300><c> the</c><00:00:44.420><c> blade</c>
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weight to pull the rock toward the blade
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weight to pull the rock toward the blade
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in<00:00:44.989><c> order</c><00:00:45.379><c> to</c><00:00:45.500><c> cut</c><00:00:45.680><c> it</c>
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you<00:00:49.150><c> may</c><00:00:49.270><c> notice</c><00:00:49.630><c> the</c><00:00:49.810><c> oil</c><00:00:49.990><c> everywhere</c><00:00:50.560><c> the</c>
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you may notice the oil everywhere the
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you may notice the oil everywhere the
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oil<00:00:51.730><c> saw</c><00:00:51.910><c> is</c><00:00:51.970><c> called</c><00:00:52.090><c> an</c><00:00:52.450><c> oil</c><00:00:52.570><c> saw</c><00:00:52.900><c> because</c><00:00:53.290><c> it</c>
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oil saw is called an oil saw because it
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oil saw is called an oil saw because it
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uses<00:00:53.739><c> oil</c><00:00:54.040><c> as</c><00:00:54.220><c> a</c><00:00:54.250><c> lubricant</c><00:00:54.910><c> this</c><00:00:55.840><c> stops</c><00:00:56.170><c> heat</c>
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uses oil as a lubricant this stops heat
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uses oil as a lubricant this stops heat
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caused<00:00:57.100><c> by</c><00:00:57.309><c> friction</c><00:00:57.630><c> from</c><00:00:58.630><c> shattering</c><00:00:59.140><c> the</c>
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caused by friction from shattering the
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caused by friction from shattering the
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blade<00:00:59.530><c> or</c><00:01:00.370><c> otherwise</c><00:01:01.360><c> damaging</c><00:01:01.989><c> it</c><00:01:03.780><c> this</c><00:01:04.780><c> saw</c>
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blade or otherwise damaging it this saw
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blade or otherwise damaging it this saw
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blade<00:01:05.080><c> does</c><00:01:05.560><c> not</c><00:01:05.770><c> have</c><00:01:06.010><c> teeth</c><00:01:06.280><c> like</c><00:01:06.580><c> a</c><00:01:06.610><c> blade</c>
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blade does not have teeth like a blade
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blade does not have teeth like a blade
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that<00:01:07.240><c> would</c><00:01:07.360><c> be</c><00:01:07.479><c> used</c><00:01:07.690><c> to</c><00:01:07.810><c> cut</c><00:01:08.020><c> wood</c><00:01:08.290><c> but</c>
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that would be used to cut wood but
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that would be used to cut wood but
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instead<00:01:09.550><c> uses</c><00:01:09.820><c> commercial</c><00:01:10.270><c> grade</c><00:01:10.690><c> diamonds</c>
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instead uses commercial grade diamonds
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instead uses commercial grade diamonds
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to<00:01:11.440><c> grind</c><00:01:11.740><c> down</c><00:01:12.010><c> the</c><00:01:12.070><c> rock</c><00:01:14.130><c> so</c><00:01:15.130><c> he's</c><00:01:15.340><c> made</c><00:01:15.610><c> one</c>
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to grind down the rock so he's made one
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to grind down the rock so he's made one
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cut<00:01:16.210><c> but</c><00:01:16.630><c> he</c><00:01:16.660><c> still</c><00:01:17.170><c> needs</c><00:01:17.530><c> a</c><00:01:17.740><c> flat</c><00:01:17.979><c> slab</c><00:01:18.340><c> so</c>
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cut but he still needs a flat slab so
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cut but he still needs a flat slab so
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he'll<00:01:18.850><c> make</c><00:01:19.060><c> another</c><00:01:19.420><c> cut</c>
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here's<00:01:26.700><c> the</c><00:01:26.939><c> finished</c><00:01:27.299><c> slab</c><00:01:27.740><c> this</c><00:01:28.740><c> part</c><00:01:29.100><c> will</c>
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here's the finished slab this part will
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here's the finished slab this part will
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be<00:01:29.430><c> cut</c><00:01:29.640><c> down</c><00:01:29.670><c> further</c><00:01:30.299><c> the</c><00:01:31.290><c> other</c><00:01:31.439><c> parts</c><00:01:31.799><c> of</c>
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be cut down further the other parts of
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be cut down further the other parts of
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the<00:01:32.009><c> rock</c><00:01:32.189><c> will</c><00:01:32.400><c> be</c><00:01:32.520><c> saved</c><00:01:32.820><c> for</c><00:01:33.150><c> different</c>
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the rock will be saved for different
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the rock will be saved for different
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analyses
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for<00:01:38.000><c> now</c><00:01:38.120><c> he's</c><00:01:38.450><c> going</c><00:01:38.720><c> to</c><00:01:38.810><c> wash</c><00:01:39.080><c> the</c><00:01:39.380><c> rocks</c>
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for now he's going to wash the rocks
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for now he's going to wash the rocks
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just<00:01:40.760><c> to</c><00:01:40.880><c> minimize</c><00:01:41.060><c> mess</c><00:01:41.870><c> in</c><00:01:42.140><c> the</c><00:01:42.260><c> lab</c><00:01:42.440><c> we</c>
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just to minimize mess in the lab we
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just to minimize mess in the lab we
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don't<00:01:42.950><c> want</c><00:01:43.130><c> oil</c><00:01:43.490><c> all</c><00:01:43.970><c> over</c><00:01:44.000><c> the</c><00:01:44.510><c> other</c>
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don't want oil all over the other
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don't want oil all over the other
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equipment<00:01:45.560><c> or</c><00:01:45.710><c> on</c><00:01:45.830><c> the</c><00:01:45.950><c> tables</c><00:01:46.370><c> so</c><00:01:47.120><c> we</c><00:01:47.300><c> even</c>
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equipment or on the tables so we even
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equipment or on the tables so we even
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put<00:01:47.690><c> them</c><00:01:47.810><c> in</c><00:01:47.930><c> the</c><00:01:48.020><c> dishwasher</c><00:01:48.680><c> to</c><00:01:48.830><c> get</c><00:01:48.979><c> them</c>
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put them in the dishwasher to get them
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put them in the dishwasher to get them
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really<00:01:49.400><c> clean</c>
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now<00:01:54.700><c> bill</c><00:01:54.970><c> is</c><00:01:55.000><c> looking</c><00:01:55.510><c> for</c><00:01:55.690><c> features</c><00:01:56.050><c> in</c><00:01:56.230><c> the</c>
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now bill is looking for features in the
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now bill is looking for features in the
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rock<00:01:56.500><c> he</c><00:01:56.740><c> would</c><00:01:56.890><c> like</c><00:01:57.040><c> to</c><00:01:57.070><c> see</c><00:01:57.400><c> up</c><00:01:57.550><c> close</c><00:01:58.200><c> these</c>
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rock he would like to see up close these
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rock he would like to see up close these
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could<00:01:59.440><c> be</c><00:01:59.560><c> mineral</c><00:01:59.950><c> alignments</c><00:02:00.520><c> or</c><00:02:00.640><c> other</c>
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could be mineral alignments or other
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could be mineral alignments or other
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clues<00:02:01.150><c> that</c><00:02:01.420><c> can</c><00:02:01.570><c> help</c><00:02:01.750><c> us</c><00:02:01.930><c> figure</c><00:02:02.110><c> out</c><00:02:02.260><c> the</c>
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clues that can help us figure out the
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clues that can help us figure out the
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geologic<00:02:03.040><c> history</c><00:02:03.220><c> of</c><00:02:03.580><c> this</c><00:02:03.730><c> rock</c><00:02:04.320><c> the</c>
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geologic history of this rock the
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geologic history of this rock the
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rectangle<00:02:05.950><c> he's</c><00:02:06.250><c> tracing</c><00:02:06.550><c> around</c><00:02:06.820><c> is</c><00:02:07.180><c> what</c><00:02:07.360><c> he</c>
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rectangle he's tracing around is what he
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rectangle he's tracing around is what he
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will<00:02:07.600><c> cut</c><00:02:07.840><c> out</c><00:02:07.990><c> on</c><00:02:08.200><c> the</c><00:02:08.320><c> water</c><00:02:08.530><c> saw</c><00:02:13.770><c> this</c><00:02:14.770><c> is</c>
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will cut out on the water saw this is
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will cut out on the water saw this is
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the<00:02:15.010><c> water</c><00:02:15.340><c> saw</c><00:02:15.720><c> it</c><00:02:16.720><c> uses</c><00:02:17.170><c> water</c><00:02:17.380><c> to</c><00:02:17.650><c> cool</c><00:02:17.830><c> down</c>
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the water saw it uses water to cool down
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the water saw it uses water to cool down
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the<00:02:18.100><c> blade</c><00:02:18.460><c> and</c><00:02:18.700><c> to</c><00:02:18.820><c> prevent</c><00:02:19.180><c> dust</c><00:02:19.390><c> from</c>
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the blade and to prevent dust from
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the blade and to prevent dust from
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becoming<00:02:20.050><c> airborne</c><00:02:21.000><c> this</c><00:02:22.000><c> saw</c><00:02:22.270><c> blade</c><00:02:22.300><c> is</c>
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becoming airborne this saw blade is
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becoming airborne this saw blade is
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another<00:02:23.110><c> diamond</c><00:02:23.650><c> blade</c><00:02:23.860><c> and</c><00:02:24.130><c> does</c><00:02:24.310><c> not</c><00:02:24.460><c> have</c>
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another diamond blade and does not have
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another diamond blade and does not have
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teeth<00:02:25.320><c> nonetheless</c><00:02:26.320><c> bill</c><00:02:27.160><c> is</c><00:02:27.280><c> always</c><00:02:27.490><c> careful</c>
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teeth nonetheless bill is always careful
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teeth nonetheless bill is always careful
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to<00:02:28.120><c> keep</c><00:02:28.300><c> his</c><00:02:28.510><c> fingers</c><00:02:28.930><c> out</c><00:02:29.170><c> of</c><00:02:29.320><c> its</c><00:02:29.470><c> path</c>
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here's<00:02:37.600><c> the</c><00:02:37.840><c> finished</c><00:02:38.020><c> product</c><00:02:38.410><c> we</c><00:02:38.950><c> call</c><00:02:39.160><c> this</c>
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here's the finished product we call this
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here's the finished product we call this
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a<00:02:39.400><c> billet</c><00:02:39.910><c> it</c><00:02:40.390><c> will</c><00:02:40.540><c> be</c><00:02:40.660><c> shipped</c><00:02:40.930><c> off</c><00:02:41.110><c> to</c><00:02:41.350><c> a</c><00:02:41.380><c> lab</c>
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a billet it will be shipped off to a lab
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a billet it will be shipped off to a lab
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and<00:02:42.040><c> mounted</c><00:02:42.910><c> on</c><00:02:43.030><c> a</c><00:02:43.060><c> glass</c><00:02:43.300><c> slide</c><00:02:43.750><c> to</c><00:02:44.020><c> create</c><00:02:44.260><c> a</c>
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and mounted on a glass slide to create a
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and mounted on a glass slide to create a
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thin<00:02:44.530><c> section</c><00:02:44.770><c> like</c><00:02:45.160><c> the</c><00:02:45.310><c> one</c><00:02:45.460><c> seen</c><00:02:46.030><c> here</c>
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thin section like the one seen here
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thin section like the one seen here
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geologists<00:02:47.920><c> can</c><00:02:48.070><c> look</c><00:02:48.220><c> through</c><00:02:48.340><c> a</c>
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geologists can look through a
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geologists can look through a
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petrographic<00:02:48.910><c> microscope</c><00:02:49.180><c> to</c><00:02:49.960><c> see</c><00:02:50.110><c> the</c>
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petrographic microscope to see the
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petrographic microscope to see the
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minerals<00:02:50.590><c> that</c><00:02:50.740><c> make</c><00:02:50.950><c> up</c><00:02:51.130><c> the</c><00:02:51.280><c> rock</c><00:02:51.460><c> the</c><00:02:52.180><c> rocks</c>
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minerals that make up the rock the rocks
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minerals that make up the rock the rocks
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composition<00:02:53.170><c> and</c><00:02:53.380><c> its</c><00:02:54.220><c> orientation</c><00:02:54.730><c> may</c>
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composition and its orientation may
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composition and its orientation may
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provide<00:02:55.480><c> clues</c><00:02:55.540><c> about</c><00:02:56.140><c> its</c><00:02:56.290><c> formation</c><00:02:56.650><c> in</c>
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provide clues about its formation in
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provide clues about its formation in
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history<00:02:57.430><c> here's</c><00:02:58.270><c> what</c><00:02:58.480><c> a</c><00:02:58.510><c> thin</c><00:02:58.750><c> section</c><00:02:58.990><c> looks</c>
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history here's what a thin section looks
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history here's what a thin section looks
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like<00:02:59.650><c> under</c><00:02:59.950><c> a</c><00:02:59.980><c> microscope</c><00:03:00.810><c> here's</c><00:03:01.810><c> what</c><00:03:02.020><c> it</c>
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like under a microscope here's what it
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like under a microscope here's what it
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looks<00:03:02.290><c> like</c><00:03:02.440><c> under</c><00:03:02.710><c> cross</c><00:03:02.980><c> polarized</c><00:03:03.610><c> light</c>
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looks like under cross polarized light
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looks like under cross polarized light
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thank<00:03:05.650><c> you</c><00:03:05.830><c> for</c><00:03:06.010><c> watching</c>
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