X 8 1 4 3 8
- 8 x 1 3 4 x 5 8
- 6 1 8 x 4 3 8
- 8 9 x 1 8 3 4
- 2 3 8 1 4 x 1 8
- 3 8 x 3 8 x 1 4 tee with shut off
- 3 8 x 3 8 x 1 4 tee fitting
- 3 5 8 x 2 1 4 x 8
- 3 8 x 7 8 x 1 4
- 8 x 1 )= 8 4 2x 3
- 8 x 1 )+ 4 3 2x 8 )- 16
- 3 8 x 1 4 x 3 8 tee
- 7x 8 x 1 4 )= 3 6x 9 )- 8
- 8 x 1 3 4 x 12 1 8
- 8x 4 3 x 1 )+ 8
- 4 3 8 x 8 1 4 envelopes