Matching Pairs fasteners-Exercise EOnline version Matching the beginnings and the ends of the sentences. by Ella Glazov 1 The tip of a rivet is pounded or mushroomed… 2 A cotter pin is also used… 3 We can describe a screw… 4 5 The heads of screws are slotted 6 Cotter pins are also referred to 7 Bolts and nuts are shaped 8 Safety wire is easily… 9 Safety wire is made of to form another head. to engage screwdrivers. by its slot. to safety bolts and pins. twisted or bent. are split. copper or steel. as safetying devices.