Basalt introduction
Basalt is a basic volcanic rock. It is the most important constituent of the Earth's oceanic crust and the Moon Moon Sea. It is also an important constituent of the Earth's continental crust and lunar land. In 1546, G. Agricola first described the black rock of Saxony in Germany in the geological literature using the word basalt. The term Chinese basalt is quoted from Japanese. Japan discovered black olive basalt in Xuanwu Cave, Hyogo Prefecture, hence the name.
The steel ruler water level meter is the most accurate way to measure the water level. A metric or imperial scaled steel ruler attached to a probe that is mounted on a metal or plastic steel. It is usually used to measure the water level in wells, boreholes and water level pipes. It is especially suitable for the observation of groundwater level in hydropower projects or the manual inspection of dam body immersion lines of earth and rock dams. The devices are characterized by a simple, fast and reliable measurement acquisition.
Water Level Meter,Water level indicator, level meter, deep well water level meter
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