Sometimes hobbyists use so-called " dead rock ", which is simply old live rock that has been allowed to dry out and to lose most of its live inhabitants, to keep unwanted pests out of their aquariums, and as an inexpensive alternative to live rock.

Sometimes those who know about them are too far down the line to be able to do anything about them.

Sometimes, although by no means always, these are indeed alkaline.

Sometimes when there are many outcomes for a single trial, we group these outcomes into two classes, as in the example of the die, where we have arbitrarily constructed the classes `` ace '' and `` not-ace ''.

Sometimes it is not a verbal stereotype -- a `` How are you now ''??

Sometimes in these experiments `` appointment sittings '' are used.

Sometimes such people sense that they are being used ; ;

She said, `` Sometimes I think they are keeping religion for us while we play around.

Sometimes slightly stronger theories such as Morse-Kelley set theory or set theory with a strongly inaccessible cardinal allowing the use of a Grothendieck universe are used, but in fact most mathematicians can actually prove all they need in systems weaker than ZFC, such as second-order arithmetic.

Sometimes alloys may exhibit marked differences in behavior even when small amounts of one element are present.

Sometimes, Roman numerals are still used for enumeration of lists ( as an alternative to alphabetical enumeration ), for sequential volumes, to differentiate monarchs or family members with the same first names, and ( in lower case ) to number pages in prefatory material in books.

Sometimes it is instead only required that the faces that meet at one vertex are related isometrically to the faces that meet at the other.

Sometimes small carbon containing ions are included in such schemes.

Sometimes direct support units are placed under command of the regiment / brigade they support.

Sometimes the garment and the shield are merged, with a small version of the shield appearing on the garment.

Sometimes, however, patients are switched back to typical antipsychotics because the newer ones are less effective in those patients.

Sometimes they are Artemis ' hounds.

Sometimes they are also outfitted with irrigation systems or heat sink-systems which can respectively irrigate the plants or help to store energy from the sun and redistribute it at night ( when the greenhouses starts to cool down ).

Sometimes computerised dealing machines are used for pre-dealing hands at large tournaments and in many clubs.

Sometimes a metropolitan may also be the head of an autocephalous, sui iuris, or autonomous church when the number of adherents of that tradition are small.

Sometimes these problems are eliminates, meaning certain artificial restrictions are imposed.

Sometimes the soldiers are unable to immediately gauge the significance of the combat ; in the aftermath of the Battle of Waterloo, some British officers were in doubt as to whether the day's events merited the title of " battle " or would be passed off as merely an " action ".

Sometimes these follow-up surgeries are spread out over weeks or months.

Sometimes vinegar is added, but only after the beans are cooked as vinegar interferes with the beans ' softening.

Sometimes a player may also be forced to drop his or her body quickly to the floor to save the ball.

Sometimes " convection " is even used to refer specifically to " free heat convection " ( natural heat convection ), as opposed to forced heat convection.

Sometimes, even the SIM card from the same vendor will not work and the buyer will be forced into buying another phone.

Sometimes he did not attend the election meetings of the Agora and the people were forced to seek him afterward.

Sometimes a government announces a commemorative silence of a specific period, at a specific time that people are encouraged ( but not forced ) to honor.

Producer Whitney Ellsworth later admitted: " Sometimes there was just garbage in the rushes, but we were often forced to use what we had, rather than relight the set and go again.

Sometimes, they were forced to cross big geographical distances by train in order to participate in tournaments

Sometimes, the test will be preceded by a period of quiet breathing in and out from the sensor ( tidal volume ), or the rapid breath in ( forced inspiratory part ) will come before the forced exhalation.

Sometimes, during periods of heavy bombing or American troop movement, they would be forced to remain underground for many days at a time.

Sometimes lip-synching performances are forced by television for short guest appearances, as it requires less time for rehearsals and hugely simplifies the process of sound mixing.

Sometimes Jews were baptized involuntarily, and, even when such baptisms were illegal, forced to practice the Christian religion.

Sometimes Jews survived by being subjected to involuntary baptism, such as in Regensburg, where a crusading mob rounded up the Jewish community, forced them into the Danube, and performed a mass baptism.

Sometimes smaller clubs are forced into or willingly accept supportive roles for a larger one-percent club and are sometimes required to wear a " support patch " on their vests that shows their affiliation with the dominant regional club.

Sometimes he was seen as a tragic figure who never wanted to be a king but was forced to become one and depose his loving queen under the pressure of the coup leaders, who killed her father during the coup.

Sometimes the step size is forced down to an unacceptably small level in a region where the solution curve is very smooth.

Sometimes they would be inserted to search for personnel who were being forced to escape and evade ; in such cases the mission might last for days.

* Sometimes, the term is used for a particular computational method for transverse Mercator: that is, how to convert between latitude / longitude and projected coordinates.

Sometimes it is necessary to convert the switch to a more suitable range using an inexpensive transformation.

Sometimes there is a tendency to convert a grand-sounding given name into something very ordinary, such as when John Paul becomes JayPee, Peter John becomes Peejong, Anthony becomes Tonyo, Ronald becomes Onad, María Elena becomes Ineng or Inyang, or Ambrosia becomes Brosya.