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When brazing, what is the phrase that means to alternately move a flame into and out of an area to achieve temperature control?

  1. Dancing the flame

  2. Fluttering the flame

  3. Playing the flame

  4. Swinging the flame

The correct answer is: Playing the flame

When brazing, the phrase "playing the flame" is used to describe the technique of alternately moving a flame into and out of an area to achieve temperature control. This is done by strategically adjusting the position and intensity of the flame to control the temperature and ensure a consistent and even heating throughout the brazing process. Option A, "dancing the flame", and B, "fluttering the flame", may sound like similar techniques but they do not indicate the precision and control needed for brazing. Option D, "swinging the flame", may imply a back and forth motion which is not necessary for brazing. Therefore, the correct answer is C, "playing the flame".