Kate's Coat of Arms

Royal watchers, just for you here is Kate Middleton's new coat of arms, unveiled in the City of London today. Dad paid £4,400 to have it designed to mark his daughter's marriage to Prince William on 29 April. Thomas Woodcock, Garter Principal King of Arms, explains the heraldic devices (title link). What I want to know is what happened to the Durham mines and the fish-and-chip shop? Are there heraldic devices for them?