They did turn out to have a panel shop with spraypainting which I have worked through.
Also after initially being advised that a contractor comes onto the plant to deal with all tyre issues so there is no waste stream I found they do replace tyres themselves on some machinery. But the old tyres are turned into traffic islands and markers around the yard. Disposal of tyres in Western Australia is regulated by law.
I have now pretty much finished with the auto workshop and am now looking at the core business, the brick manufacturing but appreciate anything anyone would like to add.