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.
Wet the area for the concrete with a hose. Once you are done with the hose, pour the concrete. The concrete must totally fill the entire area you have poured. Use a 2x4-inch board to tamper small spaces. When working on a large space, you should use roller tampers. Flatten the concrete and create clean edges by scraping a wooden board along the top of the form. Sweep the board over the concrete several times.