These were used in cranes and aboard ships in Ancient Greece, as well as in mines, water pumps and siege engines in Ancient Rome.

These pumps should be distinguished from other penis pumps ( supplied without compression rings ) which, rather than being used for temporary treatment of impotence, are claimed to increase penis length if used frequently, or vibrate as an aid to masturbation.

These first engines were used to power pumps and produced only reciprocating motion to move the pump rods at the bottom of the shaft.

These include ion channels that permit electrically charged ions to flow across the membrane, and ion pumps that actively transport ions from one side of the membrane to the other.

These positive displacement pumps have an expanding cavity on the suction side and a decreasing cavity on the discharge side.

These types of pumps have a number of characteristics:

These pumps are basically multistage centrifugal pumps and are widely used in oil well applications as a method for artificial lift.

These pumps are usually specified when the pumped fluid is mainly liquid.

These animals also possess a heart that pumps blood which contains hemocyaninine as its oxygen-capturing molecule.

These four surviving pairs were made from white silk pumps from the Innes Shoe Company in Los Angeles.

These pumps employ rollers to squeeze the tube.

These pumps are often referred to by the specific manufacturer or product names.

These pumps, valves, motors and power units have been sold worldwide for over 40 years.

These rotary vane pumps are not widely used anymore.

These pumps may not provide sufficient stimulation and emptying of the breast.

These type of pumps have added hygienic benefit of all the parts that generate the suction or come in contact with breast milk stay with the mother.

These pumps are rental or hospital grade breast pumps.

These pumps operate on an external dispensing line, part of a single-use dispensing cassette.

These " Prince " engines have double overhead 16-valve camshaft, on demand oil and water pumps and BMW's patent injection and ignition technology.

These turbines could operate as both turbine-generators and in reverse as electric motor driven pumps.

These understandings apply to all dynamic, continuous-flow, axisymmetric pumps, fans, blowers, and compressors in axial, mixed-flow and radial / centrifugal configurations.

These specialists, I learned, have done a great deal of work to improve the size and health of the plants and the resulting flowers.

These are becoming more and more available through the work of counties and other government agencies.

These are as follows: ( 1 ) field work procedures.

These opportunities are to be found in certain cities in such crafts as auto mechanics, carpentry, drafting, electrical work, tool-and-die work, and sheet-metal work.

These affairs temporarily relieved the monotony of school or work activities containing no anticipation of achievement and joy of craftsmanship, no sense of dignity derived from a job well done.

These loans are targeted at reducing the budget deficit, stabilizing the local currency ; developing private businesses ; energy ; the agriculture, food processing, transportation, and health and education sectors ; and ongoing rehabilitation work in the earthquake zone.

These were not to be fully revealed until Dr. Wilhelm Dorpfeld, who had become Schliemann's assistant in 1879, resumed the work at Hissarlik in 1892 after the first explorer's death.

These later poems, mostly written before 1910, show a greater variety of subject and form than those in A Shropshire Lad but lack the consistency of his previously published work.

These three categories provide the most compelling evidence that the scribe was generally attentive to his work while he was copying, and that he later subjected his work to careful proofreading.

These individuals and the work of other biostatisticians, mathematical biologists, and statistically inclined geneticists helped bring together evolutionary biology and genetics into a consistent, coherent whole that could begin to be quantitatively modeled.

These need not be greater numerical losses-if one side is much more numerous than the other than pursuing a strategy based on attrition can work even if casualties on both sides are about equal.

These barter markets or swap meets work without money.

These have sometimes been identified as another, separate work, the Ezra Memorial ( EM ), but other scholars believe the EM to be fictional and heavily altered by later editors.

These arguments, and a discussion of the distinctions between absolute and relative time, space, place and motion, appear in a Scholium at the very beginning of Newton's work, The Mathematical Principles of Natural Philosophy ( 1687 ), which established the foundations of classical mechanics and introduced his law of universal gravitation, which yielded the first quantitatively adequate dynamical explanation of planetary motion.

These bokken may be easily broken when used in even light to medium contact drills and are best left for non contact work, such as in kata.

These may be brought about, for example, by such factors as poor management, lack of consultation with employees, personality conflicts which can result in people delaying or refusing to communicate, the personal attitudes of individual employees which may be due to lack of motivation or dissatisfaction at work, brought about by insufficient training to enable them to carry out particular tasks, or just resistance to change due to entrenched attitudes and ideas.

These are often met through " homework " assignments in which the patient and the therapist work together to craft an assignment to complete before the next session.

These means of restraining private feuds did not always work, and sometimes prevented the fulfillment of justice.

These vehicles are designed to directly conduct obstacle breaching operations and to conduct other earth-moving and engineering work on the battlefield.

These exhibitions featured work by Charles Alston.

These tubes didn't need gas in them to work, so they were evacuated to a lower pressure, around 10 < sup >− 9 </ sup > atm ( 10 < sup >− 4 </ sup > P ).

These devices work on the principle known as the magnetocaloric effect.