Often but not always there is a centerline longitudinal member called a keel.

Often but not always, this involves an authority, who does the controlling.

Often, but not always, and depending on the type of movie, the soundtrack album will contain portions of the score, music composed for dramatic effect as the movie's plot occurs.

Often Tom must protect his new invention from villains " intent on stealing Tom's thunder or preventing his success ," but Tom is always successful in the end.

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

Often in modern weddings, the ceremony of removing a face veil after the wedding to present the groom with a virgin bride is skipped, since many couples have already entered into conjugal relations prior to their wedding day – the bride either wears no face veil, or it is lifted before the ceremony begins, but this is not always the case.

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, but not always, outside first base ( that is, in foul territory ) and adjacent and connected to it there is a contrast-colored " double base " or " safety base ".

Often people will say that a crotchet is one beat, however, this is not always correct, as the beat is indicated by the time signature of the music ; a quarter note may or may not be the beat.

Often there is no coupler between locomotive and train since gravity will always push the passenger car down against the locomotive.

On diesel engines the diesel fuel is still needed to ignite the gas mixture, so a mechanically regulated diesel engine's " stop " linkage and probably " throttle " linkage must be modified to always give the engine a little bit of injected fuel ( Often under the standard idle per-injection volume ).

Often but not always a geographical feature can be found that lends itself to being a border.

Often, new settlers did not appreciate that Māori owned their land communally under the mana of a chief and that permission to settle on land did not always imply sale of that land.

Often, but not always, passenger cars in a train are linked together with enclosed, flexible gangway connections that can be walked through by passengers and crew members.

Often, but not always, the harasser is in a position of power or authority over the victim ( due to differences in age, or social, political, educational or employment relationships ) or expecting to receive such power or authority in form of promotion.

Often, to escape taxation, he brought the fish directly to the homes of nobles, but was almost always caught in the act by the tax collectors and imprisoned.

Often, attacks occur after a particularly fatty meal and almost always happen at night.

Often, but not always, exudates can be seen.

Often a passenger ship is stated to " weigh " or " displace " a certain " tonnage ," but the figure given nearly always refers to gross tonnage.

Often, but not always, the puppeteer will hide behind a stand and raise their hand above it so that only the puppet is visible.

Often times with animation they'll have adult actors doing the voices of teenagers and they always sound like Saturday morning voices.

Often performed before a live audience ( or, in some cases, a simulated live audience in the form of a laugh track ), usually filmed or taped with a multiple-camera setup, and almost always a half-hour in length, sitcoms are seldom presented as realistic depictions of life but often generate honest humor through the relationships between and ongoing development of characters.

Often, but not always, states or groups that aid one side or the other are outside the box.

Often, too, the social institutions are housed in these pavilions and palaces and bridges, for these great structures are not simply `` historical monuments '' ; ;

Often it is recognized that all the details of the pattern may not be essential to the outcome but, because the pattern was empirically determined and not developed through theoretical understanding, one is never quite certain which behavior elements are effective, and the whole pattern becomes ritualized.

Often the burrows are only an inch or two apart, and the bee cities cover several acres.

Often, therefore, there are a number of rules having the same effect, and commonly other sets of rules as well, having the opposite effect.

Often they are able to get in only because the area is declining economically.

Often there are handles behind the seat for someone else to do the pushing.

Often, they consider that morality seems to be binding – obligations are seen to convey more than just a preference, but imply that the obligation will stand, regardless of other factors or interests.

Often the coefficients are chosen so that the elements occupy a contiguous area of memory.

Often these procedures are coupled with legislation or other common law doctrines that establish standards for proper rulemaking.

Often, low-floor trams are fitted with nonpivoting bogies and many tramway enthusiasts see this as a retrograde step, as it leads to more wear of both track and wheels and also significantly reduces the speed at which a tram can round a curve.

Often they are at key strategic points.

Often, these materials are then converted into finished products, and a significant amount of value is added.

Often, cult movies have failed to achieve fame outside small fanbases ; however, there are exceptions that have managed to gain fame among mainstream audiences.

Often, happenings begin innocently enough, until more and more of the workings behind the scenes are revealed.

Often overlooked in Confucian ethics are the virtues to the self: sincerity and the cultivation of knowledge.

Often, methods of promoting development and social justice to are critiqued as being imperialistic, in a cultural sense.

Often, other accessory molecules are found anchored to the cell wall.

Often versions of the same missile are produced for different launch platforms ; sometimes air-and submarine-launched versions are a little lighter and smaller than land-and ship-launched versions.

Often, ray tracing methods are utilized to approximate the solution to the rendering equation by applying Monte Carlo methods to it.

Often this involves stressing what are now conservative views of free-market economics and belief in individual responsibility, with social liberal views on defence of civil rights, environmentalism and support for a limited welfare state.

Often, poor usability can lead to implementations that are fragmented — isolated initiatives by individual departments to address their own needs.

Often in these stories the limbs, hair, blood, bones or organs of the primeval being are somehow severed or sacrificed to transform into sky, earth, animal or plant life, and other worldly features.

Often, in American legal and business documents that speak of governing bodies ( e. g., a board that governs small businesses in China ) these bodies are described as " creatures of statute " to inform readers of their origins and format although the national governments that created them may not term them as creatures of statute.