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EC IL | I worked in a hydraulic shop for a while in an area where spills happened every day due to assembly/disassembly/testing/manufacturing of both new and old cylinders. While hydraulic oil is much cleaner, the owners were a bit surprised when I found 40-year-old white concrete under all that oil by simply starting with about 10bags of floor dry and just walking on it during regular work for about a week. | |
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Oil stains on new concrete
