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://www.webwiki.it/auto-works.cc/%D9%87%D8%A7%D9%86%D9%83%D9%88%D9%83-%D9%87%D8%A7%D9%86%D9%83%D9%88%D9%83-245-45-19-245-45-19-1