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...
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...