spark drilling
11Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
12Machining — Machine shop redirects here. For the record label, see Machine Shop Recordings. New Guinea in 1943. Mobile Machine Shop truck of the US Army with machinists working on automotive parts. Conventional machining is a form of subtractive… …
13Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
14Surface grinding — is used to produce a smooth finish on flat surfaces. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or non metallic substance from a workpiece, making a… …
15Ford Crown Victoria — 1998 2002 Ford Crown Victoria LX Manufacturer Ford Motor Company Production 1955–1956 1991–2011 …
16pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …
17Occidental Petroleum — Corporation Type Public (NYSE: OXY) Industry Oil and gas …
18Persian Gulf — Khaleej redirects here. For other uses, see Khaleej (disambiguation). Persian Gulf …
19List of characters in Transformers (film series) — The following is a list of characters featured in the Transformers film series, directed by Michael Bay and distributed by Paramount Pictures. Contents 1 Humans 1.1 Sam Witwicky 1.2 Mikaela Banes 1.3 …
20Outline of energy — See also: Index of energy articles In physics, energy (from the Greek ἐνέργεια – energeia, activity, operation , from ἐνεργός – energos, active, working [1]) is a scalar physical quantity that describes the amount of work that can be performed by …
