On Mr Randell's first visit to the factory, he stopped to read a notice board filled with thankyouletters from local school children who had done work experience in the factory.
Former Ulster Unionist leader Tom Elliott told MPs some businesses had asked them not to send thank-you letters to their company premises because they were fearful that the fact they had donated to the party would leak out.
Roberts received his share of thank-you-for-your-interest form letters, but not from Herm Edwards, coach of the Kansas City Chiefs, who'd learned from Tony Dungy to look for something unusual in aspiring coaches.