The remaining waste water and discharge from mill operations are used to produce fertilizers or shipped to ponds where it can be purified and released to rivers and waterways.
Source: FactSet Markets Diary: Data on U.
I think this 167 m is the major part of the cash outflow compared to balance sheet as at 31st Dec.
If the voltage is low approx.
The refinery will suffer bcos.
 Inspect all of the wiring and connectors at the oxygen sensor.