longitudinal welding
41Naval architecture — Tahitian Princess in Tórshavn, Faroe Islands, August 2009 Naval architecture is an engineering discipline dealing with the design, construction, maintenance and operation of marine vessels and structures.[1] …
42Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …
43Nissan Skyline GT-R — Manufacturer Nissan Production 1969–1973 1989–2002 Assembly Musashimurayama, Japan …
44Tiger II — For the aircraft also known as the Tiger II, see Northrop F 5. Panzerkampfwagen Tiger Ausf. B …
45Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …
46MP40 — Infobox Weapon name= Maschinenpistole 40 (MP40) caption=MP40 (stock extended) origin=flag|Nazi Germany type=Submachine gun is ranged=yes service=1939 1945 used by=See Users wars=Second World War designer=Heinrich Vollmer design date=1938… …
47Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center …
48M1903 Springfield rifle — Infobox Weapon|is ranged=yes name= Rifle, Caliber .30, M1903 origin=flagcountry|United States type= Bolt action rifle designer= Springfield Armory design date= 1900 service= 1903–1957 users= See Users wars= World War I, World War II, Korean War,… …
49Zeppelin NT — NOTOC Infobox Aircraft name=NT caption= type=Utility airship national origin=Germany manufacturer=Zeppelin Luftschifftechnik designer= first flight=September avyear|1997 introduced= retired= status= primary user= more users= produced= number… …
50Truss bridge — for a single track railway, converted to pedestrian use and pipeline support Ancestor Beam bridge[ …
