Bronchitis. Bronchitis is an inflammation of the lining of your bronchial tubes, which carry air to and from your lungs. People who have bronchitis often cough up thickened mucus, which can be discolored. Bronchitis may be either acute or chronic.
What does Centrebore mean? The âcenterboreâ of an alloy wheel is the size of the hole at the back of the wheel which the âhubâ fits into. To help the wheels to seat properly this hole needs to be an exact match to the size of the hub.
A dial bore gauge is a special tool, calibrated in .001 inch (.0025 centimeter) or .0001 inch (.00025 centimeter), which is used to accurately measure the inside diameter of a hole, cylinder or pipe. In conjunction with a micrometer, a bore gauge will give you the exact reading of a bore size.