Question #467
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What is the shape of the knuckle thread? | ನಕಲ್ ಥ್ರೇಡ್ ದ ಆಕಾರವೇನು?

A.
Square | ಚೌಕ (ಸ್ಕ್ವೇರ್)
B.
Round | ರೌಂಡ್
C.
Saw tooth | ಸಾ ಟೂತ್
D.
Trapezoid | ಟ್ರಾಪಜಾಯಿಡ್
Explanation

No explanation provided.