3.5K views · 58 reactions | Why does Marissa Eckert prefer diving a rebreather over open circuit scuba for cave diving? The answer to this question is in the video below.  If you have more questions about rebreather diving, visit our CCR Q&A section: https://www.divesoft.com/en/gallery/ccr-qa | Divesoft | Facebook

2.1K views · 60 reactions | If there’s a break anywhere in the circuit, you have an open circuit in which current cannot flow. Watch Bryan Orr give a quick lesson on diagnosing open and short circuits. https://www.youtube.com/watch?v=mc2MsMmMuCs&t=237s #hvac #shortcircuit #opencircuit #electrical | HVAC School | Facebook