Some certificate authority-usually a purpose-built program running on a server computer-vouches for the identities assigned to specific private keys by producing a digital certificate.

Some were purpose-built just for cycling, others were built as parts of facilities for other sports ; many were built around athletics tracks or other grounds and any banking was shallow.

Some Williams tubes were made from radar-type cathode ray tubes with a phosphor coating that made the data visible, while other tubes were purpose-built without such a coating.

Some grounds have purpose-built temporary storage in the form of a cavity beneath the pitch, approximately 1m x 1m x 1m in size, accessed through a hatch flush with the grass, which can be used for storing a helmet, shin pads or drinks for the fielding side.

Some specialist outdoor home-cinema companies are now marketing packages with inflatable movie screens and purpose-built AV systems.

Some recording companies and many small independent labels could not afford large purpose-built echo chambers such as the Abbey Road chamber, so enterprising producers and engineers often made use of any large reverberant space.

Some MASINT techniques require purpose-built sensors.

Some of the grammar school's buildings in Park Crescent were used during from the 1980s until 2002 for the valley's first Welsh language comprehensive school, Ysgol Gyfun Cwm Rhymni, which has now moved to a new purpose-built site in Fleur-de-Lys.

Some authors have incorrectly stated that when the Teatro Olimpico was constructed in 1580-1585, it was the first purpose-built theatre in Europe in over a thousand years.

Some harvesters are adaptations of excavators with a new harvester head, while others are purpose-built vehicles.

Some are purpose-built to carry military cargo, while others are converted.

Some were also purpose-built in factories, using an existing tank chassis with a hull superstructure to accommodate repair and recovery equipment.

Some of their products include the MP5 submachine gun, G3 automatic rifle, the G36 assault rifle, the HK 416, the MP7 personal defense weapon, the USP series of handguns, and the high-precision PSG1 sniper rifle.

Some sniper rifles – such as the American Barrett M95, the German WA 2000, the American XM500, the Chinese QBU-88, the Russian Dragunov SVU, and the Polish Bor – use the bullpup layout.

* Some games require snipers to leave the scope to cycle the bolt ( thus losing the target, preventing the sniper from simply waiting in-scope to fire on his victim again if a kill is not attained ).

Some players also argue that camping is a premise of war-such as a sniper waiting for a target-and is thus essential in order to survive or defeat the opposite team.

Some teams use suppressed sniper rifles for their initial shots on sentries or dogs.

Some of the first sniper rifles designed specifically to meet police and other law-enforcement requirements were developed for West German police after the Munich massacre at the 1972 Summer Olympics.

Some anti-tank rifles, like the Finnish L-39, were still used by snipers to harass the enemy, like firing phosphorus bullets at tanks ' open hatches, or to smoke an enemy sniper out of his position.

Some weapon types, such as flamethrowers, sniper rifles and artillery bombardment, are especially effective at demoralizing the enemy.

Some minor incidents of granade throwing and sniper firing at security forces notwithstanding, the situation is under control and more or less peaceful.

Some sniper rifles are semi-automatic, though the vast majority are bolt-action.

Some other magazine styles are seen with a few models of airsoft guns, typically airsoft sniper rifles.

Some magazines, such as that of most centerfire hunting rifles and all revolvers, are internal to and inseparable from the firearm, and are loaded by using a clip, which is a device that holds the ammunition by the rim of the case and is designed to assist the shooter in reloading the firearm's magazine.

Some specialized rifles in the larger calibers are claimed to have an accurate range of up to about, although most have considerably less.

Some later models could be fixed to rifles as bayonets as well.

Some detachable-magazine rifles, such as the M14, can also be top-loaded.

Some medium flatbed trucks carried the Soviet-made ZPU and ZU-23-2 towed anti-aircraft twin or quad barreled guns, as well as recoilless rifles and S-5 rocket helicopter rocket launcher pods.

Some Zulus also had old muskets and antiquated rifles, though their marksmanship training was poor and the quality and supply of powder and shot dreadful.

Some bolt-action rifles, such as the Lee-Enfield, have a series of different length bolts available to extend the service life of the rifle, for taking up any wear of the bolt and chamber occurring from long years of service.

Some repeater rifles, multishot single barrel pistols, and multishot single barrel revolvers were also made.

Some straight-pull bolt-action rifles were thought faster, but lacked the simplicity, reliability, and generous magazine capacity of the Lee-Enfield.

Some shotgunners use sightless BB rifles to train in instinctive shooting.

Some bodyguards such as those protecting high ranking government officials or those operating in high risk environments such as war zones may carry sub-machine guns or assault rifles.

Some UK sites allow semi-automatic-only weapons up to and bolt action rifles up to.

Some four days later the government had assembled a force of 120 men armed with rifles, two field guns and two rapid fire guns landed in Rawene.

Some Army combat units sent to Korea were supplied with wornout, ' red-lined ' M-1 rifles or carbines in immediate need of Ordnance overhaul or repair.

Some of the early issue Type 99 rifles were fitted with a folding wire monopod intended to improve accuracy in the prone position.

Some Type 38 rifles captured by the Kuomintang forces were also converted to fire the 7. 92 × 57mm Mauser round.

Some rifles have been designed to fire rifle grenades, either from their muzzle or from a detachable muzzle-mounted launcher.

Some sporterised M1905 ( Mk II ) military rifles were made available to general public in 1906.

Some examples of the smoothbore Springfield Model 1842 musket that were later modified with rifling and used during the American Civil War may also be referred to as " Springfield rifles ".

Some 10 years later, Lebel rifles were still issued in quantities by the French Army to the local civilian populations in Algeria, for the purpose of self defense, during the Algerian War.