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