---------------------- multipart/alternative attachment David For brass parts we start by dipping them in Hydrochloric acid. Your local chrome plater will dip them & then they are so much much easier to polish. Respiratory caution is of course always the first order of business with any hazardous procedure involving dust or fumes. BTW I consider anything in a spray can & as a unique & painful way to poison my self. Especially Permalon... it can be almost lethal ask AMHIK. Same with residues form & any kind of beak or sand blasting. Dale Help - There was what I think was a recent discussion (or at least mention) of bead blasting cabinets, where someone mentioned Harbor Freight Salvage as a possible source of an inexpensive unit. I have been unable to find that discussion. My question though is for anyone who uses this process. The manual seems to strongly emphasize respiratory precautions. Is this, in fact, a real concern, even with these smaller units? Also, what's the best material for cleaning action parts and screws? Many thanks - David Skolnik ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/8b/6a/40/7e/attachment.htm ---------------------- multipart/alternative attachment--
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