overhead use
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Overhead projector — in operation during a classroom lesson An overhead projector is a variant of slide projector that is used to display images to an audience. Contents 1 Mechanism … Wikipedia
overhead efficiency variance — overhead productivity variance; = productivity variance In a standard costing system, that part of the overhead total variance that arises from the more or less efficient use of the time available to carry out the actual production. It compares… … Accounting dictionary
overhead — ► ADVERB ▪ above one s head; in the sky. ► ADJECTIVE 1) situated overhead. 2) (of a driving mechanism) above the object driven. 3) (of an expense) incurred in the upkeep or running of premises or a business. ► NOUN 1) an overhead cost or expense … English terms dictionary
Overhead lines — This article is about the transmission of electrical power to road and rail vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.… … Wikipedia
Overhead power line — This article is about power lines for general transmission of electrical power. For overhead lines used to power road and rail vehicles, see Overhead lines. Transmission lines in Lund, Sweden … Wikipedia
Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system … Wikipedia
Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… … Wikipedia
Overhead crane — An overhead crane, featuring runways, bridge, and hoist in a traditional industrial environment … Wikipedia
Overhead (computing) — In computer science, overhead is generally considered any combination of excess or indirect computation time, memory, bandwidth, or other resources that are required to attain a particular goal. It is a special case of engineering overhead.… … Wikipedia
Overhead line crossing — An overhead line crossing is the crossing of an obstacle such as a traffic route, a river, a valley or a strait by an overhead power line. The style of crossing depends on the local conditions and regulations at the time the power line is… … Wikipedia
