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.
Code enforcement Code enforcement, sometimes encompassing law enforcement, is the act of enforcing a set of rules, principles, or laws and insuring observance of a system of norms or customs. An authority usually enforces a civil code, a set of rules, or a body of laws and compel those subject to their authority to behave in a certain way.