Here the 1874 RLDS edition omitted the adjective fine before work, probably by accident since the fine was not deleted before gold or workmanship in the subsequent text. The 1908 RLDS edition restored the missing adjective to the RLDS text. Later on in this chapter, the text once more refers to fine work: “and they did work all manner of fine work” (Ether 10:23).
Summary: Maintain in Ether 10:7 the use of fine before work as well as before gold and workmanship.