Evidence
Read together, nothing we saw rules this in or out, and one short reading at a compressor settles it.
On the walk
Compressor room
26:20We saw the two compressors that feed every press. Neither panel could be read.
Checked by us on a still of the film
Air hoses at the presses
07:40We saw air hoses with hand nozzles at the presses. No leak could be heard over the machines.
Checked by us on a still of the film
Air gauge at a press
14:50We saw a small air gauge at a press. Its needle could not be read, so no pressure is known.
Checked by us on a still of the film
Staff remark on the compressors
27:10 to 27:19Plant staff said both compressors run all week. Any leak is fed for as long as they run.
Said by plant staff on the walk
Plant records
Electricity bills
The bills give one total for the plant, so the compressors' share of it is our estimate.
Twelve months of utility bills