(October 4, 2019, 12:33 PM EDT) -- GREENVILLE, S.C. — A hydraulic fracturing pump manufacturer on Sept. 19 filed an answer in South Carolina federal court in which it denies the claims against it and asserts affirmative defenses that the plaintiff breached the contract between the parties by delivering fracking well plungers that malfunctioned (Flame Spray North America Inc. v. Kerr Pumps Inc., No. 18-02845, D. S.C.)....