vacuum holder
81Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
82Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
83Combination square — with standard head A Combination Square consisting of the rul …
84LNER Class A4 4468 Mallard — Mallard Mallard at the National Railway Museum at York. Power type Steam Designer Sir Nigel Gresley Builder LNER Doncaster Works …
85Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
86Matrix of Leadership — Plot element from the Transformers franchise Publisher Marvel Comics (introduction only) First appearance Transformers issue 10 (November 1985) Created by Bob Budiansky …
87Schmidt camera — A Schmidt camera, also referred to as the Schmidt telescope, is an astronomical camera designed to provide wide fields of view with limited aberrations. Other similar designs are the Wright Camera and Lurie Houghton telescope.Invention and… …
88John Aspinall (engineer) — Infobox Engineer image size = 150px caption = name = John Aspinall nationality = birth date = 25 August 1851 birth place = death date = Death date and age|1937|1|19|1851|8|25|df=y death place = education = spouse = parents = children = discipline …
89Mop — A mop in a bucket with its dryer For the acronym, see MOP (disambiguation). For other uses, see Mops (disambiguation). A mop (such as a floor mop) is a mass or bundle of coarse strings or yarn, etc., or a piece of cloth, sponge, or other… …
90Turkey fryer — A turkey fryer. A deep fried turkey. A turkey fryer is an app …
