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The mineThe mine has got twoparts: the older onemade of wood, and thenew one made of iron.On the roof there aretwo parts: one bar andtwo posts.
PipesThere are two pipes onthe roof. One pipecarries water, and theother one carries air.
DistributionThe mine is made ofprincipal and secundarygalleries. Between eachfloor or gallery thereare 50 metres.
Access to the mineIn the past, the miners wentdown to the mine sitting on astick tied to a rope or instairs made in the rocks.Then, they went down onan elevator at 8metres/second.
Ventilation in the mineThere were three types of ventilation machines: the first one, used the horse strength applied to an axis and a wheel; the second one, used a horse to move the wheel; and the last one, was a miner with a pedal system.
Taking water outDirty water was extracted from the galleries witha gear actioned when a man walked on it. Thenthey put water and air through the pipes.
TrolleysFirst, trolleys worked with electricity, then withdiesel, and finally, with batteries.
Lung diseases caused by gas were very common before the 1970 ´s
In order to detect gas, miners used a small cage with a bird inside If the bird died it was because there was gas in the gallery.
«Dead man walking» IThe “Dead man walking” was a man sentenced to death who was given a chance to live.
«Dead man walking» II He had to go down to the mine with a long torch and wet clothes to test if there was gas in the galleries.
«Dead man walking» III If the “Dead man walking” left the mine alive three times,he was given his life.
The Security Brigade (security team) is very important in the coal mine. They help miners when there’s an accident. They’re on duty 24 hours per day
The Security Brigade team includes the best and the fittest coal miners. Their working hours include rescue exercises and physical training. They have high salaries because their activity is extremely risky.
When there is an accident the Security Brigade uses thermal cameras, oxygen kits and special equipment to work in dangerous atmospheres.
In the history of mining there were a lot disasters like the Aller accident in 1889 with 30 deaths. They are mainly produced by gas explosion, big rocks, collapse or landslides.
A tribute to eleven Check coal miners who died in an accident in 1999.