Figure another roof pitch to use when the contractor assembles a pair of rafters for evaluation of the pitch. To do this, use one hand to hold the longer leg of the square in place with the 12-inch mark at the edge of the board. Move the short leg toward you and align the 5-inch mark at the edge of the board.
TsH TesTs. The best way to initially test thyroid function is to measure. the TsH level in a blood sample. a high TsH level. indicates that the thyroid gland is failing because of a. problem that is directly affecting the thyroid (primary. hypothyroidism).
Thyroid function test. A blood test measuring your hormone levels is the only accurate way to find out whether there's a problem. The test, called a thyroid function test, looks at levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) in the blood.our GP may recommend that you have a repeat blood test every so often to see whether you eventually develop an underactive thyroid. Blood tests are also sometimes used for other measurements, such as checking the level of a hormone called triiodothyronine (T3).