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  2. Radial tunnel syndrome - Wikipedia

    en.wikipedia.org/wiki/Radial_tunnel_syndrome

    The theory is that the radial nerve becomes irritated and/or inflamed from friction caused by compression by muscles in the forearm. [1]Some speculate that radial tunnel syndrome is a type of repetitive strain injury (RSI), but there is no detectable pathophysiology and even the existence of this disorder is questioned.

  3. List of tunnels in Canada - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_in_Canada

    97 Avenue Tunnel, Edmonton, under Alberta Legislature Grounds Airport Tunnel , Calgary under Calgary International Airport Edmonton Radial Railway Society Tunnel (Old CPR Rail Tunnel), Edmonton under 109 Street.

  4. Category:Tunnels - Wikipedia

    en.wikipedia.org/wiki/Category:Tunnels

    Afrikaans; Alemannisch; العربية; Aragonés; Arpetan; Azərbaycanca; تۆرکجه; বাংলা; Беларуская; Беларуская ...

  5. Immersed tube - Wikipedia

    en.wikipedia.org/wiki/Immersed_tube

    [6] [7] The tunnel is 13.6 kilometres (8.5 mi) long overall, of which 1.4 kilometres (0.87 mi) were constructed using the immersed tube technique. [5] Currently the longest immersed tube tunnel is the 6.7-kilometre-long (4.2 mi) tunnel portion of the Hong Kong–Zhuhai–Macau Bridge, completed in 2018.

  6. Ulnar canal - Wikipedia

    en.wikipedia.org/wiki/Ulnar_canal

    The ulnar canal or ulnar tunnel (also known as Guyon's canal or tunnel) is a semi-rigid longitudinal canal in the wrist that allows passage of the ulnar artery and ulnar nerve into the hand. [1] These are named after the ulna , the long bone on the little finger side of the arm.)

  7. Propeller Research Tunnel - Wikipedia

    en.wikipedia.org/wiki/Propeller_Research_Tunnel

    The main purpose of the Propeller Research Tunnel was researching the aerodynamic efficiency of propellers on radial engine aircraft. In 1917, William F. Durand published NACA Technical Report 17 on his work with isolated propellers in Stanford University's wind tunnel, however these results did not match with the data NACA had collected for propellers connected to fuselages. [2]

  8. List of road–rail tunnels - Wikipedia

    en.wikipedia.org/wiki/List_of_road–rail_tunnels

    Jiangyin Jingjiang Yangtze River Tunnel (under construction), S229 and Xicheng Intercity Rail Transit Shanghai Yangtze River Parallel Tunnel, Shanghai Metro Chongming line and 4-lane road. Wuhan Yangtze River road-railway Tunnel ( Line 7 and Sanyang road-Qinyuan road), the first road-rail tunnel of Yangtze River built by tunnel-borning machine.

  9. Drammen Spiral - Wikipedia

    en.wikipedia.org/wiki/Drammen_Spiral

    Rock excavated for the tunnel was crushed and used to make a harbour embankment in the city, while stone was used in concrete. [9] The rock is a type of granite named after the city: Drammensgranitt (Drammen granite). [8] The tunnel was opened for traffic in 1961 by King Olav V. [6]