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Questions From Readers
"Dear friends, I'm a restorer of stone sculpture
in Barcelona (Spain) and am at present working on a metal scaffolding
cleaning the stone windows of a 16th century building outdoors. The
point is that we are using microblasting of aluminum oxide in one hand
to clean the stone and holding the hose of a vacuum cleaner on the other
hand to avoid dust from flying onto the street below, and wearing rubber
sole shoes and paper non-woven overalls, and we are getting quite severe
ESD going from the wrist of the hand holding the hose to the hose itself,
and of course is very annoying. I wonder if that can be a danger to
our personal safety and I would be very grateful if you could give me
an explanation of the phenomena going on for this to happen and eventually
what is your opinion about a solution to this problem."
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