Finish Grooming of Repaired Areas Quiz Please sign up for the course before taking this quiz. What is the primary reason for covering a mound or home plate area with a tarp?1 Reduce erosion caused by rain. Reduce erosion caused by wind. Keep players off of the wear areas. Manage and maintain moisture levels in the clay areas. What is the critical ingredient that helps hold clay and soil together?1 Silt Sand Water Elmer's Glue Before finishing grooming the mound or home plate area, you will need to remove waste and spoils from the topdressing by using a:1 irrigation shovel. spade shovel. scoop shovel. sifter shovel.