As we have already been published, in other post on the prevention of occupational hazards in the welding profession, I point out once again and by the end of the year, on this subject, in which our lives are the same and that we must be mindful of their use. To this end, the net and found a great site, which is about the various risks involved. E
here a small sample and further towards the same, so take this opportunity to congratulate and welcome gratefully.
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Universidad Nacional del Callao: 
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Serve also this video, to help the particular subject:
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