Best of all for boards, if a potential leak is detected, a building-wide shutdown received’t transpire automatically. “That would definitely be considered a purpose that boards wouldn't want these detectors,” claims Len Williams, the owner of McCready & Rice Plumbing. That's some fairly brutal underperformance because of the GDX, https://financefeeds.com/whats-next-for-bitcoin-after-the-market-crash-should-you-still-earn-btc/