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, 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, and are equal, so is proportional to the sum ( or average ) of and.

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 a player will bet to manipulate the pot odds offered to other players.

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 a player will use two bows, one for the white bars and the other for the black.

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 however, the player behind them has picked from the pile the previous turn, and is unable to pick up a card if one passes it.

Often, during intricate passages, the timpani players would put their drums on the ground by means of extendable legs, and performed more like conventional timpani, yet with a single player per drum.

Often, the game's objective is for either the lone player or the team of three to survive for a certain amount of time while the opposing player / team tries to take them out.

Often regarded as one of the greatest players of the English game, he is the only player to have been knighted while still playing, as well as being the first winner of both the European Footballer of the Year and the Football Writers ' Association Footballer of the Year awards.

Often this does not become obvious before the player picks up the Skat, or even not before the end of the deal ( in case of a hand game, when the Skat is not picked up at all ).

Often, the AI's movements are predictable and regular, allowing the player to devise a strategy to overcome his adversaries.

Often in each level, apart from the introductory ones that introduce the game gradually to the player, each level either contains a puzzle, race or many hazards ( which tax the player's problem solving / logical skills, dexterity, patience and speed ; these factors determine the overall difficulty of the level ) which the player must solve, win or avoid or risk making the level impossible to solve ( in which the player must restart it ) or risk having the marble sink, fall down an abyss, destroyed or crushed.

Often this is done by obscuring sections of the map already explored by the player with a grey fog whenever they do not have a unit in that area to report on what is there.

Often these attributes increase each time a character gains a level, and a character's level goes up each time the player accumulates a certain amount of experience.

Often a player may be able to make two good sets and a poor third ( e. g. prial, straight, ten-high ), so players that do not think they will be able to win all three will order their hands to leave themselves with a strong third set to protect the main pot.

Often players have other objectives – such as to be the richest player at the end of the game.

* Often, a game will require that a player declare " Chicago " before they can win the game.

Often, leagues with a third card include a penalty box rule, and issuance of this third card requires the penalized player to sit in the box for a prescribed period of time ( usually two minutes as in ice hockey ) during which his or her team plays shorthanded.