We’ve just purchased a 1941 coop. We had it tested for lead by an EPA accredited inspector with an XRF machine, and the test results were all negative except for the front door and a heating pipe in ...
Bullion dealers and pawn shop owners require appropriate tools to ensure they are providing their customers with pure gold, silver, and other precious metals. Several analytical methods are used to ...
Helmut Fischer’s next-generation XDAL and XDV devices deliver speed, accuracy, and intelligence for advanced material ...
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