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Case colouring refers to this pattern and is commonly encountered as a decorative finish on firearms. Case-hardened steel combines extreme hardness and extreme toughness, which is not readily matched by homogeneous alloys since hard homogeneous steels tend to be brittle, especially those steels whose hardness relies on carbon content alone.
Case hardening is a weathering phenomenon of rock surface induration. It is observed commonly in: felsic alkaline rocks, such as nepheline syenite , phonolite and trachyte ; pyroclastic rocks , as pyroclastic flow deposit, fine air-fall deposits and vent-filling pyroclastic deposits; sedimentary rocks , as sandstone and mudstone .
Roblox occasionally hosts real-life and virtual events. They have in the past hosted events such as BloxCon, which was a convention for ordinary players on the platform. [45] Roblox operates annual Easter egg hunts [51] and also hosts an annual event called the "Bloxy Awards", an awards ceremony that also functions as a fundraiser. The 2020 ...
In 1910, the North Shore Channel was completed to provide drainage for the marshy areas north of the city and to direct lake water into the North Branch of the Chicago River for dilution. The Cal-Sag Channel was ready for operation in 1922, which also was the year the first treatment plant of the Sanitary District of Chicago was completed.
Scott-Burr Stores Corp. was a wholly owned subsidiary of Butler Brothers and owned and operated two chains: Scott Stores, 5 cent to one dollar stores, with 116 units at the end of 1938, and Burr Stores, with 19 locations in 1938, dry goods stores.
Justice Harlan argued that the concept of due process of law required fair compensation to be given for any private property seized by the state. In responding to the City of Chicago's claim that due process of law was served merely by allowing the railroad company's grievance to be heard, Harlan stated that satisfying legislative procedure alone is not enough to satisfy due process: "In ...
In this case, Illinois Central was granted unrestricted rights to an enormous, 1,000-acre (4.0 km 2) section of submerged land, which occupied the entire aquatic area bordering the Chicago harbor. Justice Field found the state can never permanently transfer authority over these submerged lands, but only grant revocable permissions to them.
Prince Rupert's drops (also known as Dutch tears or Batavian tears) [1] [2] are toughened glass beads created by dripping molten glass into cold water, which causes it to solidify into a tadpole-shaped droplet with a long, thin tail.