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  • Definition and Development History of Excavators

    Definition and Development History of Excavators Excavators are heavy construction equipment used for digging and excavating materials, such as soil, rock, and debris. They consist of a boom, stick, and bucket, which are controlled by hydraulic systems to perform various digging and loading operations. The history of excavators dates back to the late 19th century, when steam shovels were used for ...
  • Definition of diesel engine

    Definition of diesel engine A diesel engine, also known as a compression-ignition engine, is a type of internal combustion engine that operates on the principle of compression ignition. In a diesel engine, fuel is injected into the combustion chamber at a high pressure. The fuel and air mixture is compressed by the piston, which raises the temperature inside the combustion chamber. This high tempe...
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