"Mary Fisher" wrote in message
. net...

"Dave Plowman (News)" wrote in message
...
In article ,

snip

It needs to be strong enough to support the weight of the car on a jack.

No it doesn't. Why jack a car when you have a pit? And where do you put
jacks under a car?

Err !!!...

To take a wheel or two off, and don't come back asking why one should need
to do so, you either know what is involved in maintaining a vehicle or you
don't.