A favorable mention is the "all you can eat" vegetarian restaurant "Crossways" at 123 Swanston . Fine fibres can turn out to be as low as 10microns, and also the finer it's the silkier it feels, but anything higher than 25microns can seem to be coarse. https://digitaljournal.com/pr/news/press-advantage/contractors-state-license-center-offers-contractors-license-school-in-san-fernando-valley