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The MIL-12560K standard actually specifies four classes of hardnesses. The softest class I rates as 260-310. The toughest Class 4 rates as 420-470. [3] (K is the revision number of the standard.) MIL-DTL-46177 is an older, now-replaced standard for a high hardness steel RHA. [4]
The VPAM scale as of 2009 runs from 1 to 14, with 1-5 being soft armor, and 6-14 being hard armor. [1] Tested armor must withstand three hits, spaced 120 mm (4.7 inches) apart, of the designated test threat with no more than 25 mm (0.98 inches) of back-face deformation in order to pass.
THAC0 is an acronym constructed from the phrase "To Hit Armor Class 0" which comes from the role-playing game Dungeons & Dragons. [1] THAC0 was first introduced in the Dungeon Master's Guide of the 1st edition of Advanced Dungeon & Dragons (1979) as a convenient way to calculate the entries of the combat tables that were used to determine the ...
In operation, after the bloomery is heated typically with a wood fire, shifting to burning sized charcoal, iron ore and additional charcoal are introduced through the top. Again, traditional methods vary, but normally smaller charges of ore are added at the start of the main smelting sequence, increasing to larger amounts as the smelt progresses.
Non-explosive reactive armour (NxRA), also known as non-energetic reactive armor (NERA), is a type of vehicle armor used by modern main battle tanks and heavy infantry fighting vehicles. NERA advantages over explosive reactive armor (ERA) are its inexpensiveness, multi-hit capability, [ 1 ] and ease of integration onto armored vehicles due to ...
The official Ragnarok Online servers underwent massive game system changes in 2010, which has been titled "Renewal", which revamped game mechanics, changed the behavior and interaction of stats, gears, and modifiers in the stat system, changed the way and amount of character experience, and introduced the 3rd Job Classes.
B or b – prefix denoting a number in billions; BA – bottom assembly (of a riser) bbl – barrel bbl/MMscf – barrels per million standard cubic feet
Mock-up image of opening a loot box in a video game. In video game terminology, a loot box (also called a loot crate or prize crate) is a consumable virtual item which can be redeemed to receive a randomised selection of further virtual items, or loot, ranging from simple customisation options for a player's avatar or character to game-changing equipment such as weapons and armour.