Doosan Heavy Industries & Construction Co., South Korea's top power equipment maker, said Thursday that its British affiliate has clinched a 87.5 billion-won ($77.8 million) deal to build a water purification facility.Doosan Enpure has signed the deal with Severn Trent Water, a British water supplier, Doosan Heavy said. (Yonhap)The facility will be able to process 320,000 tons of water on a daily basis. Its construct...