2 ms·
It's a pretty classic canary trap/barium meal test, no? https://en.wikipedia.org/wiki/Canary_trap#Barium_meal_test https://en.wikipedia.org/wiki/Canary_trap#Bar
by jamestimmins 2y ago
It's a pretty classic canary trap/barium meal test, no? https://en.wikipedia.org/wiki/Canary_trap#Barium_meal_test https://en.wikipedia.org/wiki/Canary_trap#Barium_meal_test