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A land survey is a process of measuring and getting details on the dimensions of a particular land area. Land surveying equipment refers to the different types of equipment that are needed to conduct such survey activities. Some types of equipment include total stations and theodolites levels, unmanned aerial vehicles (UAVs), and others. Land surveying equipment has major applications in construction and mining sites for remote surveying

Investment casting is an industrial process based on lost-wax casting, one of the first known methods of metal-forming. Investment casting is regarded as having a high level of accuracy, reproducibility, adaptability, and integrity for producing components out of a variety of metals and high-performance alloys. Both small castings weighing a few ounces and big castings weighing several hundred pounds can be produced using this method. It could be more expensive than die casting or sand casting, but as production volumes increase, per-unit costs fall. Complex structures that would be difficult or impossible to cast using conventional techniques can be created with investment casting. Additionally, it can create products with excellent surface characteristics and small tolerances with little need for surface finishing or machining