When you top off your motor oil, avoid spilling oil on your engine by wadding up a couple of paper towels around the oil receptacle on the crank-case.
This will absorb drips and spills. https://wikimapia.org/external_link?url=https://auto-works.cc/%D9%83%D9%81%D8%B1%D8%A7%D8%AA-%D8%B3%D9%88%D8%A8%D8%B1-%D9%83%D9%81%D8%B1%D8%A7%D8%AA-%D8%B3%D9%88%D8%A8%D8%B1-165-65-14-165-65-14