Often these are passenger trainsets consisting of more than one carriage.

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

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, security at category X airports, the U. S. largest and busiest as measured by volume of passenger traffic, are provided by private contractors.

Often these airlines offer no refunds or transfers to later flights in the event of missed flights ; if the aircraft leaves on time without a passenger who arrived late, he will have to buy a wholly new ticket for the next flight.

Often cited as the busiest and most profitable monorail line in the world ( it carried its 1. 5 billionth passenger on January 24, 2007 ), it has recently become somewhat less popular through competition from the Keikyū Airport Line.

Often, autotransporters are cleaved, leaving the beta-barrel domain in the outer membrane and freeing the passenger domain.

Often, passenger vehicles are used for delivery of goods.

Often, the owner would sail the ship over to arrange for its sale personally, other times they would be sold through a firm such as Cannon, Miller, & Co., who sold most of the Campbell brothers ' ships.

Often the biocircuitry covers parts of the outer hull and lends the ship a distinctive ghoulish look.

Often, a seller will list an item as new and ship the item directly from the retailer or wholesaler to the highest bidder.

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 historian must consider the use of intuition or instinct by those individuals or nations which he is studying.

Often work of this sort is presented as calligraphy -- the pure utterance of the brush stroke seeking only absolute painteresque values.

Often it is thin and fragile and gives way readily to the male organ at the first attempt at intercourse.

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

Often one of the " treatments " is none, so the treatment group can act

Often the relatives plead with him not to do this, since they know they may never see the person again .</ br > Rieux works to combat the plague simply because he is a doctor and his job is to relieve human suffering.

Often, the fact that sometimes only a thin surface layer of violet color is present in the stone or that the color is not homogeneous makes for a difficult cutting.

Often it is said to be " about " long.

Often, if only one of the allophones is simple to transcribe, in the sense of not requiring diacritics, then that representation is chosen for the phoneme.

Often, if the skill is being used in a functional object, people will consider it a craft instead of art, a suggestion which is highly disputed by many Contemporary Craft thinkers.

Often the Aegis is described as the bag in which Athene carried her shield and the serpent who was her son.

Often, this is the case with a large bridge that serves as an entrance to a city, or crosses over a main harbor entrance.

Often the " small ball " model is associated with the National League, while power hitting is seen as more associated with the American League.

Often this irregular shape is due to their many centers of ossification or because they contain bony sinuses.

Often one assumes a priori that the algebra under consideration is unital: for one can develop much of the theory by considering and then applying the outcome in the original algebra.

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

Often, a borough is a single town with its own local government.

Often that number is put at 800 million.

Often this is stated as: full bands do not contribute to the electrical conductivity.

Often this is stated as: full bands do not contribute to the electrical conductivity.

Often these patents are obtained with a stated and researched use of those chemicals.

Often, for convenience, the magnitude of a shock is stated as a multiple of the standard acceleration due to free fall in the Earth's gravity, a quantity with the symbol g having the value 9. 80665 m / s < sup > 2 </ sup >.

Often, in practice, the white point is assumed to follow a standard and is not explicitly stated ( e. g., for " absolute colorimetric " rendering intent ICC L * a * b * values are relative to CIE standard illuminant D50, while they are relative to the unprinted substrate for other rendering intents ).

Often stated as the first running of this famous race as it was the first to truly attract National interest in the United Kingdom.

Often clinical settings use a list of the activities of daily living as an assessment document, without any reference to the other elements of the model ; Roper heself rejected the use of the list of ADLs as a " checklist " as she stated that it was essential not simply to read the title of the ADL, but to base assessment on knowledge of the scope of the ADL as assessed using the 5 key factors.

Often reaching enormous size — they can weigh as much as 300 kg ( 660 lbs ) and can grow to be 1. 3 m ( 4 ft ) long — they live, or lived ( some species are recently extinct ), in the Seychelles, the Mascarenes and the Galapagos.

Often, taller goldendoodles that inherit more from the golden retriever otherwise will be stockier and weigh substantially more.

Often this is accompanied by invasion by cattails, which displace many of the native plant species and reduce plant diversity.

Often, the invocation of Kali Yuga denotes a certain helplessness in the face of the horrors and suffering of the human condition and a nostalgia for a golden past or a future salvation.

Often, this initial crack is caused by an increase in blood pressure within the body ( in combination with movement ), forcing an expansion across its exoskeleton, leading to an eventual crack that allows for certain organisms such as spiders to extricate themselves.

Often they are much more complex, although certain elements frequently recur.

Often, students count in Korean during their class, and during tests they are usually asked what certain Korean words used in class mean.

Often trees have certain words which, in English, are naturally collocated, such as holly and mistletoe, which usually employ the phrase " sprig of " ( as in, a " sprig of mistletoe ").

Often the process is entirely illogical ; for example, the compulsion of walking in a certain pattern may be employed to alleviate the obsession of impending harm.

Often the government demanded that certain subsidiaries be sold so that the new company would not monopolize a particular geographical market.

Often f is a simple function that maps all values above a certain threshold to the first class and all other values to the second class.

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, within countries such as the US, the UK ( and, in all likelihood, China ) there are standardised qualifications, examinations and workbooks that form the concrete teaching materials needed for secondary-school and pre-university courses ( for example, within the UK, all students are required to sit or take Scottish Highers / Advanced Highers, A-levels or their equivalent in order to ensure that a certain minimal level of mathematical competence in a wide variety of topics has been obtained ).

' Often the values of the influences imposed on us by our mothers and fathers, our teachers and certain friends, are not realized until years later, when we, as a sailor does, look back at our wakes to determine the course we have steered that got us to where we are.

Often a more specialized version of the theorem is used, where L is assumed to be the lattice of all subsets of a certain set ordered by subset inclusion.

Often the Ember Days or Rogation Days are also specified, and the eves of certain feasts.

Often, clues as to its location that appear in certain stories contradict others.

Often monks were assigned duties at the monastery to serve certain masters.

Often, a picture will be smaller than this because it has been cut to just show a certain feature.

Often there is little to no concept of dogma, and varied interpretation of doctrine and theology is tolerated and sometimes even encouraged within certain contexts.

Often incorrectly called a " limited liability corporation " ( instead of company ), it is a hybrid business entity having certain characteristics of both a corporation and a partnership or sole proprietorship ( depending on how many owners there are ).

Often laws provide for the exemption of certain goods or services from sales and use tax.

Often, the tissues involved require certain mechanical and structural properties for proper functioning.

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 the lead singer is assigned to a certain song due to voice qualities.

; Logic and consistency: Often speakers will argue that a certain use is inherently more logical than another, or that it is more consistent with other undisputed usages.