The accuracy of bubble level is usually high and can meet general measurement needs. Although its accuracy may be affected by bubble size and observer judgment ability, through reasonable design and use, relatively accurate measurement results can still be obtained. The bubble level has good stability during the measurement process and is not easily affected by external factors. This enables it to maintain high reliability even in situations where high-precision measurements are required.

The bubble level, as a simple and easy-to-use measuring tool, plays an important role in multiple fields. By understanding its working principle and usage, we can better utilize this tool to improve work efficiency and measurement accuracy. The bubble level has the advantages of convenience, high accuracy, affordable price, long service life, and wide applicability. These advantages make the bubble level a widely used measurement tool, playing an important role in various industries and fields.