A tangent key is provided in pairs at right angles and each key is to withstand torsion in one direction only.

A tangent key is provided in pairs at right angles and each key is to

1.	A tangent key is provided in pairs at right angles and each key is to withstand torsion in one direction only.
A.	Agree
B.	Disagree
C.	Can't say
D.	None of these
Answer» B. Disagree

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A tangent key is provided in pairs at right angles and each key is to withstand torsion in one direction only.

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