Hepatitis C. Prothrombin is a protein made by the liver. Prothrombin helps blood to make normal clots. The prothrombin time (PT) is one way of measuring how long it takes blood to form a clot, and it is measured in seconds (such as 13.2 seconds). A normal PT indicates that a normal amount of blood-clotting protein is available.
KSEIBI 500-Amp Electrode Holder is used for manual electrode welding to avoid any kind of shock or accident. The large 500-Amp is rated for durability. The electrode holder connects to the welding cable and con- ducts the welding current to the electrode.
A keeper is a piece (or pieces) of soft iron that is placed on or between the pole faces of a permanent magnet to decrease the reluctance of the air gap and thereby reduce the flux leakage from the magnet. It also makes the magnet less susceptible to demagnetizing influences.