gravel; sand; blast sand, specialty sands, golf sand, glass sand, backing sand, foundry sand, decking sand, sports turf sand, synthetic turf infield sand, equestrian sand, railroad traction sand, playground and recreational sand, beach sand, volleyball sand, filtration sand; sand for use in filtration systems; sand for use in water purification systems; industrial silica sand; construction materials; construction aggregate; products or materials, including sand or gravel, used in the oil, gas, or geothermal industries; products or materials, including sand or gravel, used for oil, gas, or geothermal wells; sand for use in drilling wells; sand or gravel used in polymer concrete; drilling services in the oil, gas, or geothermal industries