B. Mainmast.
B1. Maintopmast.
B2. Maintopgallant and royalmast.
C. Foremast.
C1. Foretopmast.
C2. Foretopgallant and royalmast.
D. Spanker boom.
E. Spanker gaff.
F. Bowsprit.
G. Jib boom and flying jib boom.
H. Martingale boom.

1. Crossjack yard.
2. Mizzentopsail yard.
3. Mizzentopgallant yard.
4. Main yard.
5. Maintopsail yard.
6. Maintopgallant yard.
7. Fore yard.
8. Foretopsail yard.
9. Foretopgallant yard.

[Editor: Many more numbered lifts, stays, and braces were left out
of these simplified diagrams. They are intended to be viewed using
a fixed-width font.]

Each mast section is joined to the lower one in two places:

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