that was cute...thankyou schwc...you did notkeep us in suspence for too long.......
Yes...Lakeman.....it could have been coffee testing....:-)))
Interesting work you do dear girl....
nein, nur generelle Eigenschaften des Substrats, Phosphor, Kalium, Calcium, Magnesium und Schwermetalle... Radioaktivität zu messen ist weniger aufwendig.