This kind of level can be used for both short-distance measurement and long-distance measurement. It also solves the disadvantage that the existing level can only be measured in open places and is difficult to measure in narrow placesIt has the advantages of accurate measurement, low cost, convenien

The spirit level is a measuring instrument which uses the principle of liquid level to directly display the angular displacement with the level bubble and measure the deviation degree of the relative horizontal position, vertical position and inclined position of the measured surface.Name： leveling