Change tag, for an aside ...

>Its the same as the (pick your favorite car maker) you should
>add oil to the crankcase.  Sure, you might get pretty far
>without it, but at some point it will come back to you,
>for not following the recomendations.

<VBG>

I remember my boss, when I was an apprentice, telling a story of working at 
a gas station during his university days. I bunch of Asian students, on 
their motor scooters, arrived to gas up. Each one got his couple of gallons 
of gas, plus some 2 stroke oil, except for one who wanted to refuse the oil 
....

Much discussion in foreign language later, he wanted 2 stroke oil ... My 
boss wondered how long he had been running his 2 stroke motor on plain 
petrol. 

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