Table 2.

Repose angle test results.

		Test number
The number of measurements		1	2	3	4
	1	33.17°	32.76°	32.95°	32.83°
	2	32.74°	33.32°	33.27°	32.86°
	3	33.16°	32.97°	32.83°	33.41°
	4	33.23°	33.05°	33.33°	33.09°
	Average value	33.08°	33.03°	33.10°	33.05°