grinding size
61Conical mill — A conical mill (or conical screen mill) is a machine used to reduce the size of material in a uniform manner. It is an alternative to the hammermill or other forms of grinding mills. The conical mill operates by having the product being fed into… …
62Burr mill — A burr mill or burr grinder is a device to grind hard, small food products between two revolving abrasive surfaces separated by a distance usually set by the user. The grinder may be powered electrically or manually. Devices with rapidly rotating …
63human evolution — Evolution of modern human beings from nonhuman and extinct hominid forms. Genetic evidence points to an evolutionary divergence between the lineages of humans and the great apes (Pongidae) on the African continent 5–8 million years ago. The… …
64Diamond tool — A close up of the segment of a diamond saw blade A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method.[1] As diamond is a superhard material, diamond tools have… …
65Mineral processing — Crushing, a form of comminution, one of the unit operations of mineral processing In the field of extractive metallurgy, mineral processing, also known as mineral dressing or ore dressing, is the process of separating commercially valuable… …
66digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
67Four-slide — A four slide machine The same four slide machine from another angle A fou …
68ARCHAEOLOGY — The term archaeology is derived from the Greek words archaios ( ancient ) and logos ( knowledge, discourse ) and was already used in ancient Greek literature in reference to the study of ancient times. In its modern sense it has come to mean the… …
69Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …
70Collet — For other uses, see Collet (disambiguation). Collets A collet (  / …
