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The usual nomenclature of ammunition indicates the diameter of projectile and the length of the cartridge that holds it; for example, 20×102 mm is a 20 mm projectile in a 102 mm long case. Though this designation is often assumed to be unique, this is not always the case, e.g. there are three different 20×110 mm types which are not compatible.
Thousands of sets of high-powered magnetic balls sold at Walmart have been recalled after federal regulators issued a warning about the potential risk of choking, serious injuries and death.
Including Dolly Parton's latest cookbook and the $9 candle that more than 1,500 Walmart shoppers adore. ... including a large mixing bowl with measurement markings that go up to 10 cups (or 2.5 ...
The pole-to-pole distance is on the order of 5 mm, but varies with manufacturer. These magnets are lower in magnetic strength but can be very flexible, depending on the binder used. [39] For magnetic compounds (e.g. Nd 2 Fe 14 B) that are vulnerable to a grain boundary corrosion problem it gives additional protection. [38]
The plastic material became 1.5 times more magnetic when blue light was shined on it. Green laser light reversed the effect somewhat by decreasing the material's magnetism to 60 percent of its normal level. The plastic magnet was made from a polymer made of tetracyanoethylene (TCNE) combined with manganese (Mn) ions – atoms of the metal ...
Alnico magnets are produced by casting or sintering processes. [9] Cast alnico is produced by conventional methods using resin bonded sand molds, which can be intricate and detailed, thereby allowing for complex shapes to be produced. [10] The produced alnico magnet typically has a rough surface. [11]
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