Evidence
Read together, leaks and extra pressure are common, and a short reading at a compressor would show if they are here.
On our visit
Compressor room
26:20We saw the two compressors that feed every press. We could not read either panel.
Checked by eye on a frame of our video
Air hoses at the presses
07:40We saw air hoses with hand nozzles at the presses. The presses were too loud to hear a leak.
Checked by eye on a frame of our video
Air gauge at a press
14:50We saw a small air gauge at a press, but could not read its needle.
Checked by eye on a frame of our video
Staff remark on the compressors
27:10 to 27:19Plant staff said both compressors run all week, so any leak is fed for as long as they run.
Said by plant staff during our visit
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