Which is better, foam rubber ear plugs or the things that looklike headphones
On Tuesday, October 21, 2014 4:55:29 PM UTC-5, Don Phillipson wrote:
Look at the people who work in noisy environments all the
time (forestry, mines, airfields etc.) They wear "ear defenders"
that enclose the whole ear. Should we suppose this is just
a fashion statement?
MRI's are not compatible with metal...of any kind!
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