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 Drilling jig in position and drilling
commenced.
 Final forming of aperture
 Aperture formed ready to take metal
keys.
 Layout of
apertures and locking studs.
 Tapping drill into
fracture.
 Tapping before insertion of
studs.
 Rough cleaning
of protruding key and studs.
 Grinding to obtain smooth
finish.
 Painting over repair if
required.
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