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EDA for electronics has rapidly increased in importance with the continuous scaling of semiconductor technology. [10] Some users are foundry operators, who operate the semiconductor fabrication facilities ("fabs") and additional individuals responsible for utilising the technology design-service companies who use EDA software to evaluate an ...
Some plasma cutter manufacturers build CNC cutting tables, and some have the cutter built into the table. CNC tables allow a computer to control the torch head producing clean sharp cuts. Modern CNC plasma equipment is capable of multi-axis cutting of thick material, allowing opportunities for complex welding seams that are not possible otherwise.
A sidehill cut can be formed by means of sidecasting, i.e., cutting on the high side balanced by moving the material to build up the low side to achieve a flat surface for the route. In contrast, through cuts, where the adjacent grade is higher on both sides of the route, require removal of material from the area since it cannot be dumped ...
The following timeline provides an almost day-to-day basic description of events directly associated with the 1846 Donner Party pioneers, covering the journey from Illinois to California—2,500 miles (4,000 kilometers), over the Great Plains, two mountain ranges, and the deserts of the Great Basin.