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Ferrocerium has many commercial applications, such as the ignition source for lighters, strikers for gas welding and cutting torches, deoxidization in metallurgy, and ferrocerium rods. Because of ferrocerium's ability to ignite in adverse conditions, rods of ferrocerium (also called ferro rods , spark rods , and flint-spark-lighters [ 1 ] ) are ...
This Mora camping knife has a ferrocerium rod stored in the handle, which can be used to make sparks to ignite tinder. Some fire-starting systems use a ferrocerium rod and a hard scraper to create hot sparks by manually scratching the ferro rod with a knife or sharp object to ignite man-made or natural tinder.
The Vietnam People's Navy has itself built six Tarantul-class corvettes (Molniya class) with Russian supervision and has designed and built the first warships of the TT-400TP gunboat class. [95] Vietnam also purchased two Pohang-class corvettes were purchased from South Korea, one in 2017 and
Dau Tieng helipads, 23 September 1967 Air controllers of the 2nd Battalion, 28th Infantry calling in aircraft to lift troops for redeployment, 18 February 1970. The base was established in October 1966.
On 12 February, a VC ambush had killed nine Marines from Company B, 1st Battalion, 7th Marines. [2]: 345 A five-man Marine "hunter-killer" patrol led by Lance Corporal Randell D. Herrod, who had been in the country for seven months, alongside Private Thomas R. Boyd Jr., PFC Samuel G. Green, PFC Michael A. Schwarz and Lance Corporal Michael S. Krichten had been in Vietnam for only a month, was ...
US Army map indicating War Zones C, D, and the Iron Triangle, circa 1965-1967. The Iron Triangle (Vietnamese:Tam Giác Sắt) was a 120 square miles (310 km 2) area in the Bình Dương Province of Vietnam, so named due to it being a stronghold of Viet Minh activity during the war.
The Vietnamese Wikipedia initially went online in November 2002, with a front page and an article about the Internet Society.The project received little attention and did not begin to receive significant contributions until it was "restarted" in October 2003 [3] and the newer, Unicode-capable MediaWiki software was installed soon after.
During World War 2, over 21,000,000 lb of Ferro-tungsten and other ferroalloys were shipped to Russia on lend-lease. [3] The cost was more than $12,000,000. Ferrotungsten comes from rich ore raw materials primarily of wolframite or scheelite .