out-to-out

Direct prove

prove

prove water pressure

simulation prove

to prove up well pipes’ breakdown

prove position

prove method

to go out stratagem

15° out of phase

1-out-n

1-out-of-3

1-out-of-n

2 out of 2 multiply 2

2 out of 3

22-out-of-2

2-Out-of-4

3-D cut out

A Beacon out of a Crossroad

a breaking out journey