Abrasion-resistant and wear-resistant coating compositions for use on metal, concrete, and other rigid industrial equipment surfaces; epoxy coatings for abrasion resistance, wear resistance, and repair of metal, concrete, and other rigid industrial equipment surfaces; protective coatings for industrial use, namely, coatings for use in abrasion resistance, wear resistance, and repair of metal, concrete, and other rigid industrial equipment surfaces; coatings in the nature of industrial sealant...