Autoclaved aerated concrete (AAC, Aircrete). Autoclaved aerated concrete is a versatile lightweight construction material and usually used as blocks. Compared with normal (ie: âdenseâ concrete) aircrete has a low density and excellent insulation properties.roduction. Autoclaved aerated concrete is cured in an autoclave-a large pressure vessel. In aircrete production the autoclave is normally a steel tube some 3 metres in diameter and 45 metres long.
Between 1870 and 1871 Congress passed the Enforcement Acts -- criminal codes that protected blacks' right to vote, hold office, serve on juries, and receive equal protection of laws.
The Civil Rights Act of 1875 is sometimes called the Enforcement  Act or the Force Act. It was a law enacted during the  Reconstruction Era that guaranteed African Americans â¦ equal  treatment in public accommodations, public transportation, and  prohibited exclusion from jury service.Answered. In US Supreme Court.he Civil Rights Act of 1875 attempted to make it law that  African-American people were treated fairly in areas of public.