At this stage I usually smear hot horseradish on the top steak and Dijon mustard on the inside of the lid before fitting it back on to the loaf.

The number 13 has long been considered unlucky by superstitious people around the globe. How fitting, then, that Bill Gates' reign as the world's richest person ends after his 13th year at the top.

When fitting each contour line, the points measured by non - contact measuring system are as the top points about control polygon for forming EE spline curve.