rocchetto angolul

bolt [bolts]▼(sliding pin or bar in a lock)
noun
[UK: bəʊlt] [US: boʊlt]

distaff [distaffs]▼(part of a spinning wheel)
noun
[UK: ˈdɪ.stɑːf] [US: ˈdɪ.stæf]

spool [spools]▼(spindle)
noun
[UK: spuːl] [US: ˈspuːl]

sprocket [sprockets]▼(toothed wheel)
noun
[UK: ˈsprɒkɪt] [US: ˈsprɑːkət]