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Titanium and niobium dust - toxic?
When hand-working titanium and niobium sheet using emery paper dry and
working about 9" from (unmasked) face, are the resultant fine
particles (metal dust) toxic to inhale or ingest in any other way? I
have a worker who has voiced a concern about this.
BRIAN ADAM - on Acorn RiscOS - NEW ZEALAND
Eyeglasses, shades, optica-absurda …
… and other sight-specific jewellery