Cross-Jack Yard Blocks: Shows the cross-jack yard and the blocks that are stropped over the yard, the slings, topsail sheet block, leech line block, and the lift blocks.

• 后桅下桁滑轮：显示了后桅下桁和环绕在桁上的滑轮、吊索、上桅帆滑轮、帆端上拉索滑轮和升降滑轮。