Normally, levels of AST in the blood are low. Very high levels of AST (more than 10 times normal) are usually due to acute hepatitis, sometimes due to a viral infection. With acute hepatitis, AST levels usually stay high for about 1-2 months but can take as long as 3-6 months to return to normal.
A Baltimore mechanic named Charles Moncky invented the monkey wrench around 1858. The tool was originally named by using a âpurposeful misspellingâ of its inventorâs name, according to the Ferris State University Jim Crow Museum.
Written By: Wrench, also called spanner, tool, usually operated by hand, for tightening bolts and nuts. Basically, a wrench consists of a stout lever with a notch at one or both ends for gripping the bolt or nut in such a way that it can be twisted by a pull on the wrench at right angles to the axes of the lever and the bolt or nut.