The tip of a rivet is pounded or mushroomed…
A cotter pin is also used…
Cotter pins are also referred to
The heads of screws are slotted
We can describe a screw…
Bolts and nuts are shaped
Safety wire is easily…
Safety wire is made of
are split.
twisted or bent.
by its slot.
copper or steel.
as safetying devices.
to safety bolts and pins.
to engage screwdrivers.
to form another head.
