scraping a few mm off concrete slab?

[crabby]

Is this possible? I seem to remeber being told that it was possible to rent a concrete scraper, that basically grinds down high spots on uneven concrete slabs. aappreciate that if such a thing does exist , its likely to be v.heavy and make an unholy racket!

[welsh brickie]

yes you can hire a machine I forget the name of it but be prepaired for dust

[Perry525]

It uses diamond tipped cutters and is very expensive and difficult to handle.
Machine Mart sell diamond tipped cups that fit onto a normal angle grinder that may solve the problem.