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 ceramic materials have low density, chemical inertness, high strength, hardness and temperature capability ; nanocrystalline ceramics have even greater strength and higher superplasticity.

Certain educators, such as James Percoco in his Springfield, Virginia high school class, have chosen to integrate public history into their curricula.

Certain conditions, such as low concentrations of oxygen or high concentrations of species such as chloride which complete as anions, can interfere with a given alloy's ability to re-form a passivating film.

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 spray guns, called High-Volume Low-Pressure ( HVLP ) spray guns, are designed to deliver the same high volumes of paint without requiring such high pressures.

Certain industries such as quarrying, mining and coal recovery can generate very high levels of turbidity from colloidal rock particles.

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 characteristics of older ocean liners made them unsuitable for cruising, 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 types of offal, including kidneys, stomach, intestines, heart, tongue, and liver, can be very high in cholesterol and saturated fats.

Certain long objects with short programs have high probability.

Certain special rules procedures have historically applied to high treason cases.

Certain welding machines which use a high frequency AC current component have been found to affect pacemaker operation when within 2 meters of the power unit and 1 meter of the weld site.

Certain ovoos, especially those on high mountains, are also sacrificed to in order to obtain good weather, ward off misfortune and the like.

Certain French New Wave directors and critics ( most notably Jean-Luc Godard ) held Ray in high regard.

Certain geographic areas have a high incidence of HIV nephropathy.

Certain endorsements by celebrity chefs have led to high levels of criticism from the food industry and the public.

Certain rare soils are said to be " Fusarium-suppressive ," that is, given two soils with high populations of infective F. oxysporum in the soil and the proper hosts, one soil will have a lower incidence of Fusarium wilt.

Certain types of full-ODU ( outdoor unit ) high capacity microwave radios make use of high wattage PoE injectors which output 56V and are capable of supplying up to 50 or 60 watts of power.

Certain planned cross-breeding between purebred dogs of different breeds can produce puppies worth more than their purebred parents, due to a high demand.

Certain jurisdictions will make these recommendations mandatory, for example that certain power lines must have spherical markers placed at intervals, and that obstacle lights be placed on any sufficiently high towers.

Certain plastics with chemical dipoles, such as PVC, polyamides ( PA ) and acetates can be heated with high frequency electromagnetic waves.

* Certain types of pleated wrapover skirt worn as school uniform by girls.

Certain schools also regulate student hairstyles, footwear, and book bags ; but these particular rules are usually adhered to only on special occasions, such as trimester opening and closing ceremonies and school photo days.

Certain plots of land were assigned when Utah became a state ( in 1896 ) as School and Institutional Trust Lands ( SITLa, a Utah state agency ), to be managed to produce funds for the state school system.

Certain school rules pertain specifically to certain age groups, for instance, no one else may ride a San child's bicycle, and only Shack and Carriage children are allowed to build camp fires.

Certain competitions, including the National Tournament, also hold " Quoting Bees " wherein a participant is given a verse location and must quote the entire verse from beginning to end verbatim.

The Convention on Offenses and Certain Other Acts Committed on Board Aircraft (" Tokyo Convention ") is a multilateral convention, done at Tokyo between 20 August and 14 September 1963, coming into force on 4 December 1963, and is applicable to offenses against penal law and to any acts jeopardizing the safety of persons or property on board civilian aircraft while in-flight and engaged in international air navigation.

* Translation of Certain Psalms into English Verse ( 1625 )

Certain organic compounds found in grapefruit are known to interfere with the hepatic cytochrome P450 enzyme CYP2D6, which is responsible for converting hydrocodone into hydromorphone.

Certain tubular structures from the fetal period are referred to as ligaments after they close up and turn into cord-like structures:

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

Certain illumination algorithms and reflective or translucent materials may require more rays to be re-cast into the scene.

Certain lawyers and abuse advocates have openly wondered why a similar suit was not filed against archbishop Bernard Law, who escaped prosecution by going into exile in Vatican City.

Certain Muslim dietary and clothing restrictions also fall into this category.

Edmund Gosse, influenced by Théodore de Banville, was the first English writer to praise the villanelle and bring it into fashion with his 1877 essay " A Plea for Certain Exotic Forms of Verse ".

Certain Traditionalist Catholic groups, particularly Sedevacantists, consider Lumen Gentium to be the demarcation of when the Roman Church fell into heresy, pointing to the use of " subsistit in " rather than " est " as an abdication of the Church's historic ( and to them compulsory ) identification of itself alone as God's church.

Certain brain chemicals necessary for converting short-term memories into long-term ones are suppressed during REM sleep.

::* Varieties: Certain cirrus species can sometimes be divided into pattern-based varieties.

* Convention on Certain Conventional Weapons, signed 1980, entered into force 1983

This led to the Royal Commission of Inquiry into Certain Activities of the RCMP, better known as the " McDonald Commission ," named for the presiding judge, Mr Justice David Cargill McDonald.

Certain recently published critical editions of Pentateuchal books take Samaritan variants into account, including D. L.

For some time the brook was officially known as Morrissey Brook ( 9 letters ), but an official name change was put into Public Act 01-194, " An Act Concerning Certain Real Property Transactions ," which was approved July 11, 2001.

As a result of the report of the Commission of Inquiry into Certain Events at the Prison for Women in Kingston, the facility was closed in 2000.

Certain designs, such as the FAMAS assault rifle, the Steyr AUG and the Israeli Tavor TAR-21, overcome this limitation by allowing the bolt and ejection port cover to be swapped, turning the weapon into a dedicated left-handed version.

Coke's famous Case of Proclamations, and his speech there, was first brought into the public consciousness through its inclusion in Volume 12 of his Reports, and Roland G. Usher, writing in the English Historical Review, notes that " Certain manuscripts at Hatfield House and elsewhere seem to throw some doubt upon this famous account of a famous interview ".

Certain cities, such as Manila, Iloilo and Davao, for administrative purposes, formally divide their jurisdictions into city districts composed of several barangays, but the extent of these district-level administrative powers vary.

" Faith No More mixed funk metal with experimental rockPrimus ( band ) | Primus frontman Les Claypool Certain bands not from an alternative background, such as Bang Tango and Extreme, have also frequently incorporated funk into their musical style.

Certain throws would allow a player's piece to move into the center and ‘ kill ’ the opponent ’ s piece if it was already there.

Certain safety features can be built into the remote desktop software protocols such that the administrator is not able to delete or otherwise alter files without the target user ’ s permission.

* An Enquiry into the Principles and Tendency of Certain Public Measures ( Philadelphia: Thomas Dobson, 1794 ).