Certain characteristics of older ocean liners made them unsuitable for cruising duties, such as high fuel consumption, deep draught preventing them from entering shallow ports, and cabins ( often windowless ) designed to maximize passenger numbers rather than comfort.

Certain players are given coaching duties, by which to earn additional pay.

Certain that he is doing God's work, Brother Justin fully devotes himself to his religious duties, not realizing that his ultimate nemesis Ben Hawkins and the carnival are inexorably drawing closer.

Certain stereotypical patterns of breathing have been identified including Cheyne-Stokes a form of breathing in which the patient's breathing pattern is described as alternating episodes of hyperventilation and apnea.

Certain forms of the gene are associated with a mild form of epilepsy.

Certain fungi form mycorrhizal symbioses with trees that increase the supply of nutrients to the tree.

Certain transcription factors regulating the expression of specific genes, including one component of the mammalian complex NF-κB, are synthesized as inactive precursors whose ubiquitination and subsequent proteasomal degradation converts them to an active form.

Certain experiments, however, may deliberately test a particular form of the uncertainty principle as part of their main research program.

Certain species form communities called microatolls, which are colonies whose top is dead and mostly above the water line, but whose perimeter is mostly submerged and alive.

Certain reference lines and planes, as projected onto the celestial sphere, form the basis of the reference systems.

Certain nouns can take plural verbs even though they are singular in form, as in The government were ... ( where the government is considered to refer to the people constituting the government ).

* Certain ancient Native American mounds also form the frustum of a pyramid.

Certain elements of overseas culture have also been introduced to metropolitan culture ( as, for example, the musical form the biguine ).

Certain nouns in some languages have the unmarked form referring to multiple items, with an inflected form referring to a single item.

Certain nouns do not form plurals.

* 1650: A Discourse upon Gondibert, an heroick poem ( or simply Gondibert ), originally published unfinished, then published again in 1651 in its final form and included Davenant's " Preface to his most honour ’ d friend Mr. Hobs " and " The Answer of Mr. Hobbes to Sir William D ’ Avenant ’ s Preface before Gondibert " by Thomas Hobbes, to whom the book was dedicated ; the official second edition in 1653 also contained " Certain Verses, written by severall of the author ’ s friends "

Certain games such as the Call of Duty: Modern Warfare 3 are heavily based around " killstreak rewards " which are abilities that grant the player a tactical advantage in the form of high powered support weaponry such as pavelow helicopters or predator missiles.

Certain subgroups of the Möbius group form the automorphism groups of the other simply-connected Riemann surfaces ( the complex plane and the hyperbolic plane ).

Certain nuclei later pair up, one engulfing another, to form new spores.

Certain judges and coaches felt that the development of Policy had led it to become an extremely specialized form of debate with heavy reliance on near-incomprehensible speed in speaking and less emphasis on real-world arguments in favor of " strategic " arguments that often bordered on the near-absurd.

Certain counties continued to defy the government and continued to operate a form of the Tripartite System.

Certain kinds of fish, such as the Pacific whiting, cannot form firm surimi without additives such as egg white or potato starch.

Certain languages have both a classical form and various vernacular forms, with two widely-used examples being Arabic and Chinese: see Varieties of Arabic and Chinese language.

Certain irregularities in the form of the northern arm of the transept are remnants of the previous church situated on the very same spot.

Certain documents are required for claiming Auto Insurance in India, like duly signed claim form, RC copy of the vehicle, Driving license copy, FIR copy, Original estimate and policy copy.

Certain animal immune-derived cells may form aggregate cells also, for example the osteoclast cells responsible for bone resorption.

Certain burial customs observed in the " royal tombs " of Salamis relate directly to Homeric rites, such as the sacrifice of horses in honour of the dead and the offering of jars of olive oil.

It awards the Un Certain Regard Prize for best film and can, moreover, honour two other films.

Certain formalities were observed, most important among which were libations, the pouring of a small amount of wine in honour of various deities or the mourned dead.

Willard Thorp, in his new book, American Writing In The Twentieth Century, observes, quite validly it seems: `` Certain subjects are conspicuously absent or have been only lightly touched.

Certain other deductions are not allowed in determining Adjusted Gross Income.

Certain pianistic traits are common to all five Schnabelian renditions, most notably the `` Schnabel trill '' ( which differs from the conventional trill in that the two notes are struck simultaneously ).

Certain other properties of small particles, in addition to those already mentioned in connection with penetration of the respiratory tract, are noteworthy in defense considerations.

Certain badly disillusioned market critics are often apt to feel that there is something somehow unfair, dirty, or even thoroughly criminal about this interplay of competitive forces.

Certain specific conditions are excluded as disabilities, such as current substance abuse and visual impairment that is correctable by prescription lenses.

Certain indigenous religious groups such as the Australian Aborigines are more typically totemic, whereas others like the Inuit are more typically animistic in their worldview.

Certain stones, when examined in thin sections by transmitted light, show a diffraction spectrum due to the extreme delicacy of the successive bands, whence they are termed rainbow agates.

Certain object types, including ACIS solids and regions, are not documented.

Certain natural substances are reputed to have anxiolytic properties, including the following:

Certain international trade laws, such as those on intellectual property, are also enforced in India.

Certain other state agencies enjoy considerable operational independence and autonomy ; they include the electrical power, the nationalized commercial banks ( which are open to competition from private banks ), and the social security agency.

Certain elements have no stable isotopes and are composed only of radioactive isotopes: specifically the elements without any stable isotopes are technetium ( atomic number 43 ), promethium ( atomic number 61 ), and all observed elements with atomic numbers greater than 82.

Certain people are known even to people unfamiliar with the area in which they excelled.

Certain Jewish thinkers, such as Maimonides, believed that concubines are strictly reserved for kings, and thus that a commoner may not have a concubine ; indeed, such thinkers argued that commoners may not engage in any type of sexual relations outside of a marriage.

Certain sub-castes are shunned more than others.

Certain Latin-Rite Catholic priests may receive a dispensation to be married before ordination, and all Eastern Catholic priests outside the United States are also permitted to be married, provided they are so before ordination.

Certain drawing methods or approaches, such as " doodling ," other informal kinds of drawing, and the surrealist method of " entopic graphomania ", in which dots are made at the sites of impurities in a blank sheet of paper, and lines are then made between the dots, may or may not be considered part of " drawing " as a " fine art ".

Certain aspects of XP have changed since the book Extreme Programming Refactored ( 2003 ) was published ; in particular, XP now accommodates modifications to the practices as long as the required objectives are still met.