| 摘要 |
A technique for both cleaning up the crankcase oil changing process and recycling the oil for use as heating oil or, after refining, as lubricating oil, utilizes a shallow pan with a funnel defined on one edge which captures used oil from the engine crankcase, an oil can opener spout which makes a circular hole in the top of the oil can from which the fresh oil is poured into the crankcase after the used oil is drained, and a series of plugs which are inserted into the openings made by the oil can opener spout so that the used crankcase oil can be poured back into the cans the new oil came in by utilization of the special oil drip pan with the funnel extension.
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