amtildas' farther bought and sold cars, and he seemed to make quite alot of money from doing it.
'sawdust,'he said porudly.'that's the secret. And is costs me nothing. I get it from the wood shop.'
'How can sawdust help you to sell care,daddy?' asked matilda. 'I don't understand.'
'That's because you're a stupidlittle girl,'her father said. heturned to his son. 'I'm always glad to buy a car with an old gearbox, one that makes a terrible noise. I get it cheap. Then I mix a little sawdust with the oil in the gearbox and it goes beautifully -for a day or two.'