A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how much tracer the thyroid gland absorbs from the blood. The test can show how much tracer is absorbed by the thyroid gland.
Learn How to Lay Blocks. Start mixing mortar mix as instructed. The first course of blocks should be installed below floor level and inside the foundation trench. This first line of concrete blocks shall rest on top of a layer of mortar mix. Spread mortar along the sides of the block and remove the excess mortar with a trowel. Repeat until the first course has been installed. Check the course with a level. Then, even it out with a thicker layer of mortar, if it is not.
9. Slowly remove the wooden blocks you used to hold up the corners of the concrete slab. Place a carpenter's level on the center of the concrete slab. Have your helper press down the corners of one side of the slab while you press down the other two corners until the slab is level.. Pry up each corner of the concrete slab with the pry bar and two-by-four. This may take a few rotations of prying up each of the corners before the concrete slab loosens enough for your to lift 1 inch or more out of its seat in the ground.