Nitric oxide stimulates vasodilation, or an increase in the diameter of your blood vessels, increasing blood flow to your muscles during exercise. Some side effects are associated with nitric oxide supplements. Consult your physician before using any supplement that stimulates nitric oxide release. Video of the Day
Although the terms gristmill or corn mill can refer to any mill that grinds grain, the terms were used historically for a local mill where farmers brought their own grain and received back ground meal or flour, minus a percentage called the miller's toll..
The rollers exert force on the work, and the work exerts force on the rollers. The rollers and the work-piece exert force on each other, and if either is absent, there is no force on either. The rollers exert force on the mill frame at their bearing points. There is no benefit to trying to make a distinction between who presses on who as it does not change what happens nor does it change the design of the rolling mill. What is important is that the rollers are doing work to the work-piece. The rollers are driven and the work-piece is dragged through by friction.