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A sufficient concentration is required to pour engine oil into the filler hole. Sometimes the oil will stain on the parts surface or to the ground while we pouring the oil to the filler hole. After that, we have to spend much time cleaning the mass, and also probably get hurt by a sudden slip.
The funnel-shaped cap of Flow Down as filler is able to insert into filler hole before pouring oil, and we can complete the operation easily without any environmental pollution by oil.
National Taiwan University of
National Taiwan University of scien
National Taipei University of Technology Taipei / Taiwan