Water is a device made of aluminum, with a wide range of sizes, typically used has a length of approximately 60 cm and has a thickness of about 5 cm. Used to brace with plane, to measure the inclination of the floor.3 channels within the circle, there is a clear channel tube with lines 2 lines to measure the midpoint. Within the tube is not full of liquid. Cause the bubble size bean On the slope of the temple area
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