I know...lol, just had to get a dig in. Enjoyed your video.I figured as much. That seems to be a safe practice.
That question reminds me of when I was on a compressed gasses segment of my dive training and half of them were in PSI/F and the other half was Bar/C. I'm telling you it was maddening to get 3 in a row of one then 2 in the row of other.
@plainjaneFJC, its called a joke, brochaco.