"Bad" Painting is the name given to a trend in American figurative painting in the 1970s by critic and curator, Marcia Tucker (1940–2006).
Answer:
Place the needle at a low angle on the emery board and run it across a few times with some pressure. As you run it across, twirl the needle between your fingers so all sides of the needle are sharpened. Check using the fingernail test I detailed above if the needle is sufficiently sharpened.
Explanation:
True A special case of contrast of hue is contrast of warm and cold colors. The way the human eye works, cold colors appear to be more distant, while warmer colors appear to be closer. This means that it is a good idea to use a warm color for a symbol or menu, and to use the cold colors for backgrounds.