How To Date Bricks & Cement Blocks
brick and concrete closure are some of the honest-to-goodness and most dependable of construction merchandise . brick were first used 5,000 year ago and were made from grunge using chaff as a ring-binder . recent brick were made from stiff and discharge in a kiln to increase their strength . This was the story of concrete cylinder block go steady back to ancient greece and rome , although they were not cook up commercially until the other twentieth c ....