The flow is the phenomenon of the experience with the object, and then there is a higher or lower due to influence of the mounting bracket and tighten weld strength such as the area where the water will come into contact with the skin of glass has a high water level, a little.But, if it is the mercury touches the skin of glass mercury level is low, a little bit, because welding firmly between molecules of mercury is more than just strength to attach molecules between the molecules of mercury glass.
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