spring-loaded pin
51gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
52Heckler & Koch G36 — Infobox Weapon name=G36 caption=A G36 of the Bundeswehr. origin=flag|Germany type=Assault rifle is ranged=yes service=1997–present used by=See Users wars=Kosovo War, Afghan War, Iraq War, War in South Ossetia (2008) designer=Heckler Koch design… …
53FN MAG — For the hoax, see KSP 58. MAG FN MAG GPMG in an exhibition at Yad la Shiryon Museum, Latrun, Israel. Type General purpose machine …
54M67 grenade — Infobox Weapon caption=The M67 fragmentation grenade name=M67 origin=flag|United States type=Hand grenade is ranged= is bladed= is explosive=1 is artillery= is vehicle= service= Current used by= United States, Canada wars= designer= design date=… …
55Optical fiber connector — An optical fiber connector terminates the end of an optical fiber, and enables quicker connection and disconnection than splicing. The connectors mechanically couple and align the cores of fibers so that light can pass. Better connectors lose… …
56Ortgies Semi-Automatic Pistol — Ortgies 7.65 mm semi automatic pistol with grip safety engaged Type Semi automatic pistol Place of origin …
57SIG SG 550 — SG 550 The SG 550 service rifle Type Assault rifle Place of origin …
58Ski touring — up a mountain slope. Ski touring is a form of backcountry skiing (or off piste skiing) involving traveling over the winter landscape on skis under human power rather than through the assistance of ski lifts or snow vehicles. It can take place in… …
59Floppy disk — Floppy redirects here. For other uses, see Floppy (disambiguation). 8 inch, 5 1⁄4 inch, and 3 1⁄2 inch floppy disks …
60Trigger (firearms) — For other uses, see Trigger (disambiguation). Trigger mechanism in a bolt action rifle. A trigger is a mechanism that actuates the firing sequence of a firearm. Triggers almost universally consist of levers or buttons actuated by the index finger …
