For instance, aluminum sets off metal detectors but is not magnetic. So, if you find a rock with a metal detector, try the magnet test too.Metal detector.
from Google Alert - metal detecting great finds https://www.google.com/url?rct=j&sa=t&url=http://bitcoinbuyerapp.com/green-metal-detector&ct=ga&cd=CAIyHGQxYTc0ZWJmMDQxMjk0NzA6Y29tOmVuOlVTOkw&usg=AFQjCNFI1CpfcqB2fGMc0lAZn3iJnGK67Q
No comments:
Post a Comment