pipe-bursting n.— «However, the sanitary districts also used a process called “pipe-bursting,” Carmouche said. In that process, a line was threaded into the sewer. Once inside, he said, it expanded to become a new sewer pipe...
purple water n.— «An alternative to using gray water is treating it with a home sanitizer system to create what’s known as “purple water.” While it’s not safe enough to drink, purple water is considered safe enough for use on...