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In the field of archaeology, most of the evidence are metal, such as musket bullet, cartridge, bullets, artillery and shells, shrapnel and/or of the sword, what are the specific evidence depends on the battle took period of history. Thus, the most important tool for field archaeologists is simple metal detectors
SEMEM_SY automatic brush filter is controlled by a motor, electric cabinet, line (including control valves and differential pressure transmitter), executive components, filter components, stainless steel brush, framework components, transmission shaft, import and export of major parts of the connecting flange, etc. Realize remote control to save land area and save manpower and material resources.
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