reduce+to+particles+by+rubbing
11Common cold — Classification and external resources A representation of the molecular surface of one variant of human rhinovirus. ICD 10 J …
12Pottery — Pot and Pots redirect here. For Pot, see Pot (disambiguation). For POTS, see POTS (disambiguation). Unfired green ware pottery on a traditional drying rack at Conner Prairie living history museum …
13Bearing (mechanical) — A bearing is a device to allow constrained relative motion between two or more parts, typically rotation or linear movement. Bearings may be classified broadly according to the motions they allow and according to their principle of operation as… …
14Glossary of diabetes — See also: Diabetes (disambiguation) The following is a glossary of diabetes which explains terms connected with diabetes. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z …
15Friction — For other uses, see Friction (disambiguation). Classical mechanics …
16Oral hygiene — is the practice of keeping the mouth and teeth clean to prevent dental problems, especially the common dental caries and gingivitis, and bad breath. There are oral pathologic conditions in which a good oral hygiene is required for healing and… …
17Tattoo — For other uses, see Tattoo (disambiguation). A tattooed woman in the United States, ca. 1907. A tattoo is made by inserting indelible ink into the dermis layer of the skin to change the pigment. Tattoos on humans are a type of body modification,… …
18Watercolor painting — For other uses, see Watercolors (disambiguation). An artist working on a watercolor using a round brush Watercolor (US) or watercolour (UK and Commonwealth), also aquarelle from French, is a painting method. A watercolor is the …
19LASIK — or Lasik ( laser assisted in situ keratomileusis ) is a type of refractive laser eye surgery performed by ophthalmologists for correcting myopia, hyperopia, and astigmatism. [ [http://www.intelihealth.com/IH/ihtIH/WSS/9339/32123.html LASIK. ]… …
20photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
