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13 questions from this quiz
Tighten, loosen, grip & turn
15°15°15° angle to the handle
They completely encircle the nut
Working with nuts in deep recesses
Their modularity with various parts
When correct size fixed spanner unavailable
Serrated jaws damage the corners
Heat damages their hardness
Round objects like pipes & bars
They lock onto the workpiece
Blade width & thickness match slot
Better grip & torque transmission
L-shaped
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