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.
Check out http://www.frot.co.nz/wapf/wellington.htm. When purchasing milk from a supermarket buy full cream non-homogenized milk to obtain a richer, creamier cheese. Homogenized milk, UHT long life milk and soy milk can make cheese that does not require rennet but tends towards a low fat cheese. Dried milk can also be used but you may have to add in cream to improve the ability of the milk to produce a better cheese.