For some goods, customer behaviour can make a dramatic difference to the use-phase emissions.
Our one-eighth inch spacer made a fairly dramatic difference in subjective friction, but we could not test it installed in a car to see how different it would feel on the road.
So stop your sudoku for a minute and listen: knowing in advance where the exits are makes a dramatic difference to your chances of survival if we have to evacuate the aircraft.
Though many of the words are just shades of meaning apart, there are dramatic differences in the traits of the people who select them.
