Converse of object

• produce: The first large-scale plant to produce copperas in England was in Parkstone, Poole, in around 1564.

Modifies a noun

• stone: Copperas stone gathering was a common occupation for many of the local paupers and their children.

• industry: Early interest in the Whitstable copperas industry is recorded in a letter written in 1569 by the Archbishop of Canterbury to Sir William Cecil.

• production: Copperas Point near Dell Key may have been a site for copperas production.

• bed: He excavated the Whitstable copperas beds in the late 1990s.

• manufacture: Copperas manufacture was wholly unlike the traditional, small-scale chemical industries of the medieval and early modern period such as brewing and baking.