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The canary trap! https://en.wikipedia.org/wiki/Canary_trap https://en.wikipedia.org/wiki/Canary_trap
by dharmab 3y ago
The canary trap! https://en.wikipedia.org/wiki/Canary_trap https://en.wikipedia.org/wiki/Canary_trap
- heyoni 3y agoSort of like a barium meal!