He had disassembled the steel pads, welded new cleats on each one, and strung them back together.
It took him about fifteen minutes to weld the new cleats on the steel pads.
mnli hypothesis: It took him about fifteen minutes to weld the new cleats on the steel pads. premise: He had disassembled the steel pads, welded new cleats on each one, and strung them back together.