Table 4.

Thickness of hook holder A and B.

Hook Holder A
	T1 (mm)	T2 (mm)	T3 (mm)	T4 (mm)
A1	0.021	0.015	0.018	0.005
A2	0.026	0.027	0.076	0.075
A3	0.043	0.026	0.016	0.017
A4	0.001	0.016	0.008	0.006
A5	0.021	0.018	0.002	0.021
Difference (mean value)	0.023	0.02	0.024	0.025
Hook Holder B
	T1 (mm)	T2 (mm)	T3 (mm)	T4 (mm)
B1	0.01	0.001	0.002	0.014
B2	0.009	0.007	0.008	0.007
B3	0.008	0.003	0.005	0.024
B4	0.042	0.001	0.02	0.028
B5	0.023	0.006	0.001	0.008
Difference (mean value)	0.018	0.004	0.007	0.016