impact air wrench
21Sander — This article is about the power tool. For other uses, see Sander (disambiguation). A random orbit sander, with disks of various grit sizes A sander is a power tool used to smooth wood and automotive or wood finishes by abrasion with sandpaper.… …
22Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
23Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
24Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …
25Tap 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… …
26Blade — For other uses, see Blade (disambiguation). Knife blades A blade is that portion of a tool, weapon, or machine with a cutting edge and/or a pointed tip that is designed to cut and/or puncture, stab, slash, chop, slice, thrust, or scrape animate… …
27Concrete saw — A concrete saw being readied for use. The man in the background is preparing the hose to deliver water to cool the saw, whilst the operator is moving the saw to the required position. A substantial engine powers the unit …
28Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… …
29Chainsaw — For other uses, see Chainsaw (disambiguation). An arborist using a chainsaw to fell a eucalyptus tree A chainsaw (or chain saw) is a portable mechanical saw, powered by electricity, compressed air, hydraulic power, or most common …
30Blow torch — For other meanings, including oxy gas torches, see Blowtorch (disambiguation). An old fashioned kerosene blowtorch / blowlamp A blowtorch (US), blow torch (US), or blowlamp (UK) is a tool for applying lower intensity and more diffuse flame and… …
