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Ground-penetrating radar ( GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [ 1] This nondestructive method uses electromagnetic radiation in the microwave band ...
A metal detector is an instrument that detects the nearby presence of metal. Metal detectors are useful for finding metal objects on the surface, underground, and under water. A metal detector consists of a control box, an adjustable shaft, and a variable-shaped pickup coil. When the coil nears metal, the control box signals its presence with a ...
The Husky VMMD (Vehicle-Mounted Mine Detection) is a South African configurable counter-IED MRAP designed for route clearance and demining. It is designed to assist in the disposal of land mines and improvised explosive devices. The Husky was initially deployed in the 1970s.
Mon Schools, he said, will once again continue its practice of randomly placing weapons detectors at the stadiums of the county's three high schools this season.
Long lines, wait times and delays at high schools in Broward County due to metal detector screening seen at Hollywood Hills High School in Hollywood on Monday, August 12, 2024.
Schools with only one way to enter. Metal detectors. Badges that can call for help. With public schools across the Treasure Coast beginning the new year next week, school districts continue to ...
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