Answer:
The Gancho.
Explanation:
This is a tango dance which is executed by flexing and swinging the knee of a free leg and sharply to hook around the partners leg and quickly releasing, it can be executed either in the inside or outside of the supporting partners leg.
The great Florentine sculptor and painter that created and made the Pieta, David, the Sistine Chapel ceiling and the dome of St. Peters Basilica is none other than Michelangelo. He is one of the greatest renaissance artist with Leonardo, Donatello and Raphael and they are not turtles okay? haha :D
The bottom line is that the steam wands on the espresso machine need to be cleaned after EVERY use. ... The reason that you need to clean the steam wand after each use is that the milk dries on it very quickly after the frothing process and dried milk is incredibly hard to remove once caked on.
In a way shading is like coloring only with a pencil or some times a pen you bare down just a little in the areas that need to be lighter and harder in darker areas of the picture.
Hope this helps...