What the flux does, when you heat a workpiece, is it reacts with these metal oxides that are forming with the temperature and exposure to the air, that tend to interfere with the metal-forming process of soldering.
What the Olympic medals mean... it was the best of times, it was the worst of times. It was the best of times, it was the worst of times definition. The opening sentence of A Tale of Two Cities, by Charles Dickens, referring to the time of the French Revolution. Discover our greatest slideshows.
best. 1  1 : the best (see 1best) state or part You haven't heard the best of it. 2  2 : one that is best the best falls short saved the best for last. 3  3 : the greatest degree of good or excellence He's at his best in front of a live audience. democracy at its best.