My memories of my time in high altitude astronomy indicate that there were no oxygen concentration monitors or alarms in the areas that liquid nitrogen was in use at the high altitude astronomical facilities where I had worked.
Steven Magee
Problems by apudey0507
Cutie NT
Success Rate: 76.26%
6
0
Questra
Success Rate: 55.74%
8
3
Cutie NT 2
Success Rate: 94.34%
7
1
Drastic Geo
Success Rate: 82.35%
0
0
Roots in Denominator
Success Rate: 69.18%
9
2
Crack The Geo
Success Rate: 74.36%
2
2
Treble
Success Rate: 83.87%
0
1
Nerdy NT 2
Success Rate: 73.39%
7
2
Eazy Peazy Geo
Success Rate: 89.29%
3
1
Right Angled Geometry
Success Rate: 71.74%
4
0
Combi Talks
Success Rate: 24.64%
6
0
Ecstatic Equations
Success Rate: 62.96%
1
0
Tragic Equation
Success Rate: 72.73%
2
0
Blaze
Success Rate: 75.00%
4
1
Geo Series
Success Rate: 79.49%
1
0
Geo Series 2
Success Rate: 74.55%
1
0
NT Game
Success Rate: 70.59%
1
0
Mathematics 1.0
Success Rate: 85.37%
7
0
Mathematics 2.0
Success Rate: 94.76%
3
0
Di-hydric equation
Success Rate: 82.76%
1
0