These are used to attach parts to a cylinder so they won’t turn on it:
a) Lugs and bearings
b) Key-seats and bearings
c) Knurls and keys
d) Keys and key-ways/key-seats
These are used to attach parts to a cylinder so they won’t turn on it:
a) Lugs and bearings
b) Key-seats and bearings
c) Knurls and keys
d) Keys and key-ways/key-seats
