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