telescoping joint
11Blowback (firearms) — Blowback is a system of operation for self loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gases created by the ignition of the propellant charge.[1] Several types of blowback… …
12Corridor connection — A British Railways Mark 1 coach fitted with a corridor connection of the Pullman type A Corridor connection (or Gangway connection) is a flexible connector fitted to the end of a railway coach to enable passage from one coach to another without… …
13tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
14Federal Assault Weapons Ban — The Federal Assault Weapons Ban (AWB) (or Public Safety and Recreational Firearms Use Protection Act) was a subtitle of the Violent Crime Control and Law Enforcement Act of 1994, a federal law in the United States that included a prohibition on… …
15Heckler & Koch G3 — G3 G3A3 Battle Rifle Type Battle rifle Place of origin …
16Derailment — For the use of the term in psychiatry, see derailment (thought disorder). Derailed Tatra T3 tram in Brno, Czech Republic …
17Variable gauge axles — (VGA) are axles that allow railway vehicles to pass from tracks of one rail gauge to a different gauge. Variable gauge axles are used to allow the running of trains between Spain and France, Europe and Russia, Kazakhstan and China, and Mongolia… …
18Mumbai Fire Brigade — Motto:  शौर्यम्, आत्मसँयमम्, त्यागः Śauryaṃ, Ātmasaṃyamam, Tyāgaḥ (Sanskrit: Valour, Abnegation, Sacrifice ) Established 1 April 1887{{origins can be tra …
19Acupuncture — Intervention Needles being inserted into a patient s skin. ICD 10 PCS 8E0H30Z …
20Heckler & Koch MP5 — Type Submachine gun Place of origin …
