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