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...
daylighting n.— «Yet until a decade ago the river was buried beneath a busy boulevard filled with cars and trucks. Looking for a way to beautify and enliven their city center, citizens of Aarhus decided to liberate the river from the...