1 Not all adenomas produce excess T-4, and doctors aren't sure what causes some to begin producing too much hormone. 2  Thyroiditis. 3  Sometimes your thyroid gland can become inflamed for unknown reasons. 4  The inflammation can cause excess thyroid hormone stored in the gland to leak into your bloodstream.
Forged steel is an alloy of carbon and iron that is compressed under extreme pressure to make a very hard and strong substance. It has been used for thousands of years to create all types of materials.
forge noun [C] (WORK AREA). âº a âworking âarea with a âfire for âheating âmetal until it is âsoft enough to be âbeaten into different âshapes: a blacksmithâs forge. (Definition of forge from the Cambridge Academic Content Dictionary Â© Cambridge University Press).