* Type collections: Often a collection consists of an examples of major design variants for a period of time in one country or region.

Often only a minimal part of the context is changed in order to minimize the amount of time spent handling the interrupt.

Often described as the opposite of déjà vu, jamais vu involves a sense of eeriness and the observer's impression of seeing the situation for the first time, despite rationally knowing that he or she has been in the situation before.

Often riffs were not doubled by guitar, bass and drums exactly, but instead there were melodic or rhythmic variations ; as in " Black Dog ", where three different time signatures are used.

Often musallas are used while a community looks for a piece of land for a permanent masjid, or the establishment of a masjid is not practical at the time.

Often the register set is a triple-ported register file, that is, two registers can be read, and a third written at the same time.

Often called the " dean of science fiction writers ", he was one of the most influential and controversial authors of the genre in his time.

Often, if a television special such as Peter Pan or a network TV showing of a classic film like The Wizard of Oz is especially well-received, it will be rerun from time to time.

Often first-day worship ( Sunday morning or Saturday night ) was practiced alongside observance of seventh-day Sabbath rest and was a widespread Christian tradition by the 2nd century ; over time, Sunday thus came to be known as Lord's Day and, later, a rest day.

Often, parents of sick children would learn at check-out time that " Mr. Williams has taken care of your bill.

Often governments will accept changes in legislation in order to avoid both the time delay, and the negative publicity of being seen to clash with the Lords.

Often viewed in the Italy of the time as a god-like figure, Mazzini was nonetheless denounced by many of his compatriots as a traitor.

Often the effort ( manpower, computer, and other resources ) required, the time limits on when the solution is needed, and the cost to compile, process, and analyze all the data required for deterministic or other complicated procedures preclude their usefulness or favor the faster, simpler heuristic approach.

Often, when an oscillator is excited by, for example, plucking a guitar string, it will oscillate at several of its modal frequencies at the same time.

Often in fiction, the time traveler does not merely fail to prevent the actions, but in fact precipitates them ( see predestination paradox ), usually by accident.

Often there is no indication regarding how a player won or lost ( other than checkmate, see above ), so simply 1 – 0 or 0 – 1 may be written to show that one player resigned or lost because of time control.

Often they have a " sign-in " page where you put your label or name, then each page will often contain a question which you answer ( i. e. When was the last time you said " I love you ") and the signer would write the appropriate response.

Often the raps were in Turkish and German together, and expressed a lot about the isolated neighborhoods they lived in and the struggles they faced with feeling like immigrants and citizens at the same time.

Often a corner ( hence the common term corner time ) or a similar space where the child is to stand or sit during time-outs is designated.

Often but not always a phase implies the identification of an occupation surface " old ground level " that existed at some earlier time.

Often the item misplaced in time is an object, but it may be a verbal expression, a technology, a philosophical idea, a musical style, a material, a custom, or anything else associated with a particular period in time so that it is incorrect to place it outside its proper temporal domain.

Often over time, the waterfall will recede back to form a canyon or gorge downstream as it recedes upstream, and it will carve deeper into the ridge above it.

Often expensive and time consuming unique tooling is required to fabricate a custom design.

Often used are astronomical units, light years, and parsecs ; the astronomical unit is mentioned in the SI standards as an accepted non-SI unit.

Often the simulation units will include pre-built scenarios by which to teach trainees, as well as the ability to customize new scenarios.

Often the computer is expected to emulate a strategically thinking " side " similar to that of a human player ( such as directing armies and constructing buildings ), or emulate the " instinctive " actions of individual units that would be too tedious for a player to administer ( such as for a peasant to run away when attacked, as opposed to standing still until otherwise ordered by the player ); hence there is an emphasis on artificial intelligence.

Often, hero units become the deciding factor in determining a winner.

Often, but not always, the player must build specific structures to unlock more advanced units in the tech tree.

Often, but not always, RTS games require the player to build an army ( ranging from small squads of no more than 2 units, to literally hundreds of units ) and using them to either defend themselves from a virtual form of Human wave attack or to eliminate enemies who possess bases with unit production capacities of their own.

Often canine units are used for detecting rolling meth labs which can be concealed on large vehicles, or transported on something as small as a motorcycle.

Often, on a small network system, there are many mobile units and one main base station.

Often, these started out as mom and pop operations, building their units in garages or back yards.

Often both Army Guard and Air Guard units assisted with health and welfare matters, conducted debris removal and power generation, and provided supply and transportation support in connection with snowstorms.

Often such units will have switches to provide quick access to emergency and information channels.

Often these units were anchored to a wall or ceiling to use it as a sounding board.

Often in high energy physics natural units are used where length, time, energy and momentum scales are described in the same units ( usually with units of energy such as GeV ).

Often, the term squeezed state is used for any such state with in " natural oscillator units ".

Often, these militias would open fire on police or army units that were not accompanied by American or otherwise coalition soldiers.

Often, Bolos on garrison duty are older surplus or reserve units on loan, in which case their three-letter prefix is changed to " SOL ".

Often the quartermaster serves as the S-4 in US Army, US Marine Corps units and NATO units.

Often when compared to lithostratigraphic units, chemostratigraphic units will not always clearly match.

Often called " Hell Drivers ," he had five units that for more than forty years toured across North America thrilling audiences in large and small towns alike with their death-defying automobile stunts.