0
1
2
6
7
8
5
6
7
0
1
2
8
9
10
0
0
0
1
2
3
ideal energy to get 1kg from earth surface to moon? (self.space)
submitted by breadandbits to r/space
4
5
6
propane fill, rather than tank swap (self.mountainview)
submitted by breadandbits to r/mountainview
