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