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 high church services and other musical events in liturgical churches ( such as the Roman Catholic Mass and the Lutheran Divine Service ) may be a cappella, a practice remaining from apostolic times.

Certain objects can contain other objects.

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 chemotherapy agents also have a role in the treatment of other conditions, including ankylosing spondylitis, multiple sclerosis, Crohn's disease, psoriasis, psoriatic arthritis, rheumatoid arthritis, and scleroderma.

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 other genera of symbiotic amoebae, such as Endamoeba, might prove to be synonyms of Entamoeba but this is still unclear.

Certain evidence of foreign influence is through the many development projects, loans, investments, and free trade agreements that Morocco has with other countries.

: Certain other positions are hard to pigeonhole into the above categories, see links below.

) Certain vitamin-like compounds that are recommended in the diet, such as carnitine, are thought useful for survival and health, but these are not " essential " dietary nutrients because the human body has some capacity to produce them from other compounds.

International law does not prohibit the use of napalm or other incendiaries against military targets, but use against civilian populations was banned by the United Nations Convention on Certain Conventional Weapons ( CCW ) in 1980.

Certain medications have been associated with an increase in osteoporosis risk ; only steroids and anticonvulsants are classically associated, but evidence is emerging with regard to other drugs.

Certain beliefs regarding the status of their past leader, and several of their outreach tactics and theology make them controversial in other orthodox groups.

Certain RNAs are able to catalyse chemical reactions such as cutting and ligating other RNA molecules, and the catalysis of peptide bond formation in the ribosome ; these are known as ribozymes.

Certain other agents such as cocaine and heroin are rarely, if ever found in such tablets ; it would not make economic sense for distributors to sell them as a relatively cheaper drug, ecstasy.

: Certain firewall designs and other circumstances may force a server to interleave RTSP methods and stream data.

Certain Mamiya medium-format SLRs, discontinued camera systems such as the Kowa 6 and a few other camera models also used between-the-lens leaf shutters in their lens systems.

Certain radioactive elements ( such as plutonium-239 ) in “ spent ” fuel will remain hazardous to humans and other creatures for hundreds or thousands of years.

Certain ideas from physics, philosophy, sociology, literary criticism, and other fields shape various theories of reality.

Certain sects of Taoism, Korean Shamanism, Shinto, some Japanese new religious movements, and other East-Asian religions feature spirit-possession.

Certain scholars assert that Photios was, at least in part, of Armenian descent while other scholars merely refer to him as a " Greek Byzantine ".

Certain other classes such as the higher clerics and freemen of the Cinque Ports were deemed barons.

Certain Orthodox Christian and Evangelical Christian denominations also exist ; other religions include Judaism.

Certain scholars hypothesized ties with Hieratic, Cuneiform, or even an independent creation, perhaps inspired by some other writing system.

Certain deductions may be made including £ 4. 51 per day for any accommodation the employer provides, though extra bills, such as for electricity, should not ordinarily be charged.

Certain phase outs, including those of lower tax rates and itemized deductions, are based on levels of AGI.

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

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.