The phrase 'concrete by' is not a correct phrase and not usable in written English.
If you want to use the words 'concrete' and 'by', you might say something like: "The project must be completed by concrete evidence."
I will make my idea more concrete by a simile.
The piece was cast in concrete by Towne House Restoration.
(She's artistic director of the company that produced it: Concrete by LCDA).
But thus far, the debate has yielded nothing concrete by way of reform.
"Skies of Concrete," by Gisela Erlacher, is out in February from Park Books.
Dean Fontaine, on the other hand, mixes concrete by day and dances by night.
It's an abstraction made concrete by its implications: the data, whatever that data is, can be used against us.
The Egyptians developed a substance more closely resembling modern concrete by using lime and gypsum as binders.
Decades of progress have brought us to this point, made even more concrete by the Paris agreement in December.
Increased demand and rising fuel prices have driven up the cost of concrete by about 10percentt a year.
It has the potential to reduce the global CO2 legacy of concrete by up to a quarter.
