Users create this software themselves and often overlook how important it is. In some types of embedded systems, the application software and the operating system software may be indistinguishable to the user, as in the case of software used to control a VCR, DVD player or Microwave Oven.
You can jam milk through pretty small holes with force like that. Before homogenization, fat globules range in size from 1-10 microns (a micron = ~0.00004 inch). After, the size range is reduced to 0.2-2 microns.
A Toby Smithson, Nutrition & Dietetics, answered on behalf of Academy of Nutrition and Dietetics. Skim milk has all of the same nutrients as whole milk but without extra fat. If whole milk is not homogenized to reduce the size of fat particles, it naturally separates into skim milk with the cream layer on top. Skim milk has the same amount of calcium, vitamin D, riboflavin, and protein as whole milk does.