Some 45 frequencies are assigned for use primarily by dominant Class 1, -- A or Class 1, -- B clear-channel stations, designed to operate with adequate power and to provide service -- both groundwave and ( at night ) skywave -- over large areas and at great distances, being protected against interference to the degree necessary to achieve this objective.

Some cases in evidence of the use of roleplaying for analysis may help explain the procedure.

Some of Thurber's curative methods involve strong potions of mixed metaphor, malapropism, and gobbledygook and are recommended for use only in extreme cases.

Some popular designs use the following types of ANOVA:

Some sources mention the use of an abacus called a nepohualtzintzin in ancient Mayan culture.

Some adaptations of the Latin alphabet are augmented with ligatures, such as æ in Old English and Icelandic and Ȣ in Algonquian ; by borrowings from other alphabets, such as the thorn þ in Old English and Icelandic, which came from the Futhark runes ; and by modifying existing letters, such as the eth ð of Old English and Icelandic, which is a modified d. Other alphabets only use a subset of the Latin alphabet, such as Hawaiian, and Italian, which uses the letters j, k, x, y and w only in foreign words.

Some amateur astronomers use home-made radio telescopes, while others use radio telescopes that were originally built for astronomy research but have since been made available for use by amateurs.

Some may suggest that it is probably advisable to use mouthwash at least an hour after brushing with toothpaste when the toothpaste contains sodium lauryl sulfate, since the anionic compounds in the SLS toothpaste can deactivate cationic agents present in the mouthrinse.

Some results in constructive set theory use the axiom of countable choice or the axiom of dependent choice, which do not imply the law of the excluded middle in constructive set theory.

Some abugidas use a special symbol to suppress the inherent vowel so that the consonant alone can be properly represented.

Some modern descendants of this culture often choose to use the term " Ancestral Pueblo " peoples.

Some of the Australians wanted to use Bodyline in retaliation, but Woodfull flatly refused.

Some hard science fiction stories use small ( possibly nano-sized ) paired wormholes dedicated to communication by means of a laser which traverses the wormhole.

( Some newer protocols, such as Kerberos and Active Directory use DNS SRV records to identify services by name, which is much closer to the AppleTalk model.

Some consider such use of the term " incorrect.

Some natural tolerance to habitual use of ayahuasca ( roughly once weekly ) may develop through upregulation of the serotonergic system.

Some reports and scientific studies affirm that ritualized use of ayahuasca may improve mental and physical health.

Some Protestant US military chaplains carry the Roman Rite version of the Anointing of the Sick with them for use if called upon to assist wounded or dying soldiers who are Catholics.

Some Nasheed singers avoid instruments in the background due to the opinion of certain scholars that their use is prohibited.

Some guns were suitable for dual-role anti-aircraft and field ( anti-tank ) use.

Some studies have found decreased life expectancy associated with the use of antipsychotics, and argued that more studies are needed.

Some doubts have been raised about the long-term effectiveness of antipsychotics for schizophrenia, in part because two large international World Health Organization studies found individuals diagnosed with schizophrenia tend to have better long-term outcomes in developing countries ( where there is lower availability and use of antipsychotics and mental health problems are treated with more informal, community-led methods only ) than in developed countries.

Some critics have also analyzed the use of alleged front organizations and conflicted patient " advocacy " groups funded by pharmaceutical companies that seek to set the mental health agenda, including the use of the law to force people to take antipsychotics against their will, often justified by claims about risk of violence.

Some recirculating systems reduce standby loss by operating only when hot water is expected to be needed, at the expense of greater system complexity.

Some components of membranes play a key role in medicine, such as the efflux pumps that pump drugs out of a cell.

Some later ram designs in the UK called compound rams were designed to pump treated water using an untreated drive water source, which overcomes some of the problems of having drinking water sourced from an open stream.

Some users may find that wearing the pump all the time ( together with the infusion set tubing ) is uncomfortable or unwieldy.

Some pumps support an interface between the insulin pump and a blood glucose meter.

Some areas of the world such as Washington and Oregon in the United States, and Wales in the United Kingdom, have used geographic features to store large quantities of water in elevated reservoirs, using excess electricity at times of low demand to pump water up to the reservoirs, then letting the water pass through turbine generators to retrieve the energy when electrical demands peak.

Some examples might be use of an oil sealed rotary vane pump ( the most common positive displacement pump ) backing a diffusion pump, or a dry scroll pump backing a turbomolecular pump.

Some work is needed by the liquid pump but, for a given quantity of refrigerant, it is much smaller than needed by the compressor in the vapor compression cycle.

Some printers use a supplemental air-suction pump, utilizing the rubber capping station to suck ink through a severely clogged cartridge.

Some examples of skills include, but not limited to, life support systems normally restricted to the ICU or critical care hospital setting such as mechanical ventilators, Intra-aortic balloon pump ( IABP ) and external pacemaker monitoring.

Some APUs are also connected to a hydraulic pump, allowing crews to operate hydraulic equipment ( such as flight controls or flaps ) prior to engine start.

Some disadvantages of the bolt action include being the slowest of all the major manual repeating mechanisms, as it requires four distinct movements ( as opposed to two distinct movements for lever and pump action, though straight-pull bolt actions likewise require only two distinct movements ) and requires the trigger hand leave the gun and regrip the weapon after each shot, usually resulting in the shooter having to realign his sight and reacquire the target for every shot.

Some of the oil pump jacks along the main streets of Luling are decorated with whimsical characters, such as a girl eating a watermelon.

Some modern apparatus have included an air pump alongside foam injection to produce a compressed air foam product that further increases the efficiency of the water stream, cutting down dramatically on extinguishing time and water damage.

Some vehicles may have the power steering pump driven by the camshaft.

Some civil defense sirens used Roots blowers to pump air to the rotor ( chopper ).

Some pump and dump spam was traced to a breach of TD Ameritrade's customer databases.

Some dehumidifier models can tie into plumbing drains or use a built-in water pump to empty themselves as they collect moisture.

Some breast pumps are designed to be part of a " feeding system " so that the milk storage portion of the pump is the baby bottle used to feed the infant.

Some residential and many commercial heat pump thermostats use a " B " terminal to energize the reversing valve in heating.

Some adoptive mothers have been able to establish lactation using a breast pump so that they could feed an adopted infant.

; Single Boiler, Dual Use ( SB / DU ): Some home pump espresso machines use a single chamber both to heat water to brewing temperature and to boil water for steaming milk.