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In business, an overhead or overhead expense is an ongoing expense of operating a business. Overheads are the expenditure which cannot be conveniently traced to or identified with any particular revenue unit, unlike operating expenses such as raw material and labor.
Some indirect costs may be overhead, but other overhead costs can be directly attributed to a project and are direct costs. There are two types of indirect costs. One are the fixed indirect costs, which are unchanged for a particular project or company, like transportation of labor to the working site, building temporary roads, etc.
Overhead is deliberately not part of this calculation, since it varies from one machine to another, whereas the fundamental running time of an algorithm does not. This should be contrasted with algorithmic efficiency , which takes into account all kinds of resources – a combination (though not a trivial one) of complexity and overhead.
Overhead costs for a business are the cost of resources used by an organization just to maintain its existence. Overhead costs are usually measured in monetary terms, but non-monetary overhead is possible in the form of time required to accomplish tasks. Examples of overhead costs include: payment of rent on the office space a business occupies
By definition, there are no fixed costs in the long run, because the long run is a sufficient period of time for all short-run fixed inputs to become variable. [ 2 ] [ 3 ] Investments in facilities, equipment, and the basic organization that cannot be significantly reduced in a short period of time are referred to as committed fixed costs.
Overhead lines or overhead wires are used to transmit electrical energy to trams, trolleybuses or trains. Overhead line is designed on the principle of one or more overhead wires situated over rail tracks. Feeder stations at regular intervals along the overhead line supply power from the high-voltage grid.
Overhead storage, for example overhead storage bins, racks, shelves, cabinets or track systems in aircraft, trains or buildings; Overhead cam, a mechanical device; Overhead join, in air traffic control; Overhead press, an upper-body weight training exercise in; Overhead crane or bridge crane, a type of crane sliding on two parallel rails
An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets .