Did you ever notice a difference in the actual gas efficiency between them though? I was talking to @park.troy about this and he mentioned the band mask tends to breathe a little wetter in cold water, which I felt too. That dry air from the hard hat really helps keep your core temp up on longer bottom times. It's a small thing but it adds up.

67% huh? Sounds like NASA just confirmed what I already knew - that most people are using SkyView to find the Big Dipper and then immediately checking Instagram. My phone is just a glorified flashlight with a star map on it, not the main event.

Are you sure you didn't just abuse them on the PCT?

42% of viewers admit they forget major plot points by the next season according to a study I saw last year on Reddit. Your brain actually works BETTER when you binge because you keep the whole story fresh in your head instead of forgetting little things between weeks. I watched every episode of Breaking Bad in 4 days and I can still remember details from season 1 perfectly two years later. The emotional punch hits way harder when you're fully immersed in the world without real life breaking in between episodes. Spacing it out just means you spend half the next episode trying to remember who THAT character was or what happened before.

Did your pipeline inspections get noticeably faster after you fixed the mask leaks?