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… are synthesised using chemical processes in which basic carbon and hydrogen compounds are combined. Generally, they … Fatty oils Compressor oils Asphaltic oils Turbine oils Black oils Machine oils (non-fatty) Bunker oils Grinding oils … of the material by removing sludges and suspended matter, carbon and to varying degrees heavy metals. 27. Although much …

… a longer term system wide shift in the economy to be low carbon, circular and less toxic while reducing the overall … flame retardants • PM2.5 – PM10 (particulate matter) • Black carbon • Sulfur dioxide • Nitrogen oxides Scientific evidence …