Many studies have observed the effects of volunteerism ( as a form of altruism ) on happiness and health and have consistently found a strong connection between volunteerism and current and future health and well-being.

Many amplifiers are ultimately slew rate limited ( typically by the impedance of a drive current having to overcome capacitive effects at some point in the circuit ), which sometimes limits the full power bandwidth to frequencies well below the amplifier's small-signal frequency response.

Many former and current NFL head coaches trace their lineage back to Bill Walsh on his coaching tree, shown below.

Many of these institutions and organizations present the most current research and practical outcomes at annual community college conferences.

Many people around the world know the name and face of the current U. S. president Barack Obama.

Many Muslim scholars argue that even though technology may have advanced, the fundamentals of human life have not and is in the scope of current laws.

Many of the current " rules " of comedic improv were first formalized in Chicago in the late 1950s and early 1960s, initially among The Compass Players troupe, which was directed by Paul Sills.

Many of the current electoral concerns have shifted from outright fraud to campaign fairness issues.

Many current and recent philosophers — e. g., Daniel Dennett, Willard Van Orman Quine, Donald Davidson, John Rogers Searle, and Jerry Fodor — operate within a broadly physicalist or materialist framework, producing rival accounts of how best to accommodate mind — functionalism, anomalous monism, identity theory, and so on.

Many current minivans feature rear sliding doors on both sides ; swinging doors are the norm for European and Japanese minivans, while most American models feature sliding doors.

Many other similarities may be found among current national flags, particularly if inversions of color schemes are considered ( e. g., compare the flag of Côte d ' Ivoire to that of Ireland and Indonesia and Poland.

Many of the " revivals ", Wicca and Neo-druidism in particular, have their roots in 19th century Romanticism and retain noticeable elements of occultism or theosophy that were current then, setting them apart from historical rural ( paganus ) folk religion.

( Many of these are past, not current, funders.

Many Romani are native speakers of the language current in their country of residence, or of mixed languages combining the two.

Many of the leading hereditarians, mostly psychologists, have received funding from the Pioneer Fund with Rushton as its current head.

Many democratic socialists support social democracy as a temporary measure to reform the current system, but others support more revolutionary tactics to establish socialism.

Many SNP members are republicans, however, and both the party student and youth wings are expressly so. However, the current stance of the SNP is that an independent Scotland would retain the monarchy which it currently has as part of the United Kingdom.

Many of Eastern Asia's current disputes to sovereignty and self-determination stem from unresolved disputes from World War II.

Many current U. S. state, regional and city secession groups use the language of self-determination.

Many argue that current methods of aid are not working and are calling for reducing foreign aid ( and therefore dependency ) and utilizing different economic theories than the traditional mainstream theories from the West.

Many supporters of independence for Taiwan view the history of Taiwan since the 17th century as a continuous struggle for independence and use it as an inspiration for the current political movement.

Many designs used such a screen grid as an additional anode to provide feedback for the oscillator function, whose current was added to that of the incoming radio frequency signal.

Many current FireWire controllers still only capture to one or the other type.

Many current SEAL missions were first assigned to them.

Many current fashion stylists and writers see notched lapels as less formal although they ( like peaked and shawl ) were used ( though somewhat rarely ) in some of the early forms of the garment.

Many Japanese manufacturers and firms give their employees three to five days off around the 15th of August.

Many manufacturers like Taiyo Yuden use proprietary chemical additives to make more stable cyanine discs (" metal stabilized Cyanine ", " Super Cyanine ").

Many firearms manufacturers abdicate responsibility for the operation and safety of their arm when untested ammunition is fired.

Many manufacturers, such as Hewlett Packard and Memorex, created 3270 compatible terminals, or adapted ASCII terminals such as the HP 2640 series to have a similar block-mode capability that would transmit a screen at a time, with some form validation capability.

Many manufacturers would replace a product even with one defective pixel.

Many car and engine manufacturers support extended drain intervals, but request extended drain interval certified oil used in that case ; and sometimes a special oil filter.

Many other manufacturers make single-shot pistols, most based on the bolt action rifle, with barrels generally ranging from 10 to 15 inches ( 25 to 38 cm ).

Many ski manufacturers label their skis with the turning radius on the top.

Many Zeppelins had 12-cylinder engines from German manufacturers Maybach and Daimler.

Many more nations became aware of EMC as a growing problem and issued directives to the manufacturers of digital electronic equipment, which set out the essential manufacturer requirements before their equipment could be marketed or sold.

Many UPS manufacturers claim to have the highest level of efficiency, often using different sets of criteria in order to reach these figures.

Many manufacturers of paints, inks, textiles, plastics, and colors have voluntarily adopted the Colour Index International ( CII ) as a standard for identifying the pigments that they use in manufacturing particular colors.

Many printer manufacturers discourage customers from using third-party inks, stating that they can damage the print heads due to not being the same formulation as the OEM inks, cause leaks, and produce inferior-quality output ( e. g. of incorrect color gamut ).

Many small aircraft manufacturers serve the general aviation market, with a focus on private aviation and flight training.

Many fountain pen manufacturers have at various times developed their own proprietary cartridges, for example Parker, Lamy, Sheaffer, Cross, Sailor, Platinum, Platignum, Waterman and Namiki.

Many Dobro-style guitars are now hybrid electric guitars, and some manufacturers are adding strings to create 7-and 8-string resonator-style guitars.

Many manufacturers produced jukeboxes, including 1890s Wurlitzer, 1920s Seeburg, 1930s " Rock-Ola " whose name is actually based on that of the company founder, David Cullen Rockola, and Crosley.

Many manufacturers are promoting passive CWDM to deploy fiber to the home.

Many manufacturers also offer monorail extensions, which permit the front or rear standards to move further away from each other, allowing for focus on very close objects ( macrophotography ).

Many cars, boats, and aircraft can accept equipment from different manufacturers, so it is possible to take RC equipment from a car and install it into a boat, for example.

Many manufacturers of personal computers and laptops consider parallel to be a legacy port and no longer include the parallel interface.

Many businesses in Fort Payne accused foreign manufacturers, particularly those from China, of engaging in dumping of socks below cost, to force American companies out of the sock business.

Many PC manufacturers signed up as PS / 2 licensees.

* Many printers manufacturers claim that if any ink cartridges, beyond those sold by themselves, are used in the printer, the warranty of the printer becomes void.