Pewter-work, in the form of goblets, clocks, tankards, wine carafes, trays, and salt- and pepper-shakers, is a luxury side-product of the tin industry.
Pewter-work items cost more.
mnli hypothesis: Pewter-work items cost more. premise: Pewter-work, in the form of goblets, clocks, tankards, wine carafes, trays, and salt- and pepper-shakers, is a luxury side-product of the tin industry.