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.
monkey wrench, monkey-wrench - adjustable wrench that has one fixed and one adjustable jaw. pipe wrench, tube wrench - adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe. screw wrench - adjustable wrench that has one jaw that can be adjusted by turning a screw. spanner, wrench - a hand tool that is used to hold or twist a nut or bolt.