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bitcoinpup | 1 months ago (raw) | full thread 
 *CO

Unless you're nostr:nprofile1qqstn8du5qvy5vkw2kgyevn8kghyxjpre9l5rrekmt6a9hlsm4a4cfcpzdmhxue69uhhqatjwpkx2urpvuhx2ue09a0asp, then you're using a CO2 monitor.