Crescent wrenches (was: Nomenclature (was: NEXT Color Printer find

From: Don Maslin <donm_at_cts.com>
Date: Sat Jan 5 12:49:17 2002

On Fri, 4 Jan 2002, Lawrence Walker wrote:

> Asphalt when subjected to low temperatures will buckle when temperatures
> get milder. Likely the reason most main roads out here on the Canadian
> prairies are laid in cement slabs with a space between them.
>
> Lawrence
>
<snip>

... So that the whole slab tips when the water that enters the space
freezes. Some of us older folks remember when Canada's approach to
frost heaving was gravel roads - much easier to repair!

                                                 - don
Received on Sat Jan 05 2002 - 12:49:17 GMT