11.   Its best-selling model is the Kijang, a tin box developed through a joint venture with Toyota.

12.   Jennifer and insurance salesman Dennis Crawford split up when the model was a teenager.

13.   Linear, additive models are easier to work with than more complex mathematical models.

14.   Models can be useful and have a part to play, if built on a sound theoretical basis.

15.   More expensive wheeled models are available and are easier to handle, but they might need more room to manoeuvre.

16.   Most fashion models are self-employed, and find work through agencies.

17.   Most models are very strict about what they eat, and they would not last long on a diet of cheeseburgers.

18.   Needless to say, there is a continuous and lively debate about whose model is the best.

19.   On the contrary, as we noted earlier, his equilibrium model is a mobile one.

20.   Perhaps, in a science as complex as climatology, computer models are imperfect.