Which of the following is correct about the hardness of angle plates? – McqOptions

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1.	Which of the following is correct about the hardness of angle plates?
A.	Minimum hardness of 100 HB
B.	Minimum hardness of 180 HB
C.	Maximum hardness of 180 HB
D.	Maximum hardness of 100 HB
Answer» C. Maximum hardness of 180 HB

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