Use isopropyl alcohol, baby oil, Handi-Wipes, or Windex soaked paper towels to break up resldue, then soap and water. Work from light to dark, cleaning tools frequently with Handi-Wipes or Windex soaked paper towels to prevent contamination of lighter colors. Use an oven thermometer lo check your oven's accuracy. Open windows and air the space out thoroughly. When sanding cured clay items, wear a mask use weVdry sandpaper and sand under running water.
Many specialized tools are available.