What does 8055 stand for?

Boss

The section of a blast furnace beneath the hearth and the stack, where iron ore is reduced to iron metal. A projection or an enlarged section of a casting through which a hole may be machine. Sculpted ornament of joints, found primarily in vaults. ornamental projection, of wood or stone, placed at the join of vaulting, ribs, etc; vault construction. An ornamental knob covering the intersection of ribs in a vault or on a ceiling.