RE: Update11 Aug 2021 17:33
Almsivi.... much appreciated your extensive and understanding post.
My view,........ if Bruce have mothballed a compressor, then perhaps they didn't install a new compressor and associated pipework &electrics until R3 was going to be financially viable, and therefore didn't install same until positive results.
The reason being a small fortune could've been spent for
f... all, as to quote someone on here recently....we're no baking a cake here.