Lawd knows - it's one of them weird internet "YOU WON'T BELIEVE THIS!" type things. Probably complete *******... (Can't see how it works, really...)
yeah wonder if it is ****** as i guess the blocks would need to be compressed together as they are being laid to prevent them from falling off the bed
Wait a minute - the guys still have to arrange them all! It's chust that they can do it in a comfy standing position...
Machines like that have been around for years, great for big car park type areas, no use at all for you average driveway, so there's still some work left for the hands on guys.