"The Natural Philosopher" wrote in message
t...
Tony Bryer wrote:

In article , The Natural
Philosopher wrote:

You didn't use any sand?


Most people use all-in ballast which doesn't need any, i.e. the ballast
is a mix of sand and stones

Ah. Semantics. To me ballast is just the chippings...isn't aggregate the
word for the mixture?

No its the word for the average score. ;-)