Mário Vieira
Mário Vieira is an expert in electrical systems, particularly those used in elevators. He provided insights into the technical aspects of the Elevador da Glória, explaining how its electric traction system works in conjunction with a safety cable, which tragically failed, leading to a catastrophic accident resulting in multiple fatalities.
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Brazil:
An electrical specialist explained the elevator's electric traction system and safety cable.
5
Portugal:
Mário Vieira, an expert in electric systems, explains the elevator's electric traction system.
7