drawing mandrel
41Nibbler — For other uses, see Nibble (disambiguation). Manual nibbler, punch and die type A nibbler is a tool for cutting sheet metal with minimal distortion. One type operates much like a punch and die, with a blade that moves in a linear fashion against… …
42Laser engraving — is the practice of using lasers to engrave or mark an object. The technique can be very technical and complex, and often a computer system is used to drive the movements of the laser head. Despite this complexity, very precise and clean… …
43Machine taper — A machine taper is a system for securing cutting bits and other accessories to a machine tool s spindle. Contents 1 Explanation 2 Use 3 Types 3.1 Morse 3.1.1 …
44List of Doctor Who monsters and aliens — This is a list of monsters and aliens from the long running BBC science fiction television series Doctor Who . The list includes some races which are not extraterrestrial, but are nonetheless non human. This list is meant to cover alien races and …
45Metal clay — Pendant made from metal clay with gold powder Metal clay is a crafting medium consisting of very small particles of metal such as silver, gold, platinum, or copper mixed with an organic binder and water for use in making jewelry, beads and small… …
46Sharpening stone — Waterstone redirects here. For the British bookstore chain, see Waterstone s. An oil stone Sharpening stones, water stones or whetstones are used to grind and hone the edges of steel tools and implements. Examples of items that may be sharpened… …
47K-9 (TV series) — This article is about the TV series. For the Doctor Who character, see K 9 (Doctor Who). For other uses, see K9 (disambiguation). Not to be confused with the single episode of K 9 and Company, broadcast in 1981 K 9 K 9 title card …
48materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
49printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
50aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
