wrench time
n.— «But the mechanics do not simply need better instruction, Mr. Joyce said. The typical mechanic, he estimates, puts in just four and a half hours of “wrench time” during an eight-hour shift. Much time is wasted traveling between subway stations.» —“$1 Billion Later, Subway Elevators Still Fail” by William Neuman New York Times May 19, 2008. (source: Double-Tongued Dictionary)
Further reading
In 1971, when a new public library opened in Troy, Michigan, famous authors and artists were invited to write letters to the city’s youngest readers, extolling the many benefits of libraries. One of the loveliest was from E.B. White, author of...