Download PDF. A directional hypothesis is a prediction made by a researcher regarding a positive or negative change, relationship, or difference between two variables of a population. This prediction is typically based on past research, accepted theory, extensive experience, or literature on the topic.
Description [edit | edit source]. A Lead Ingot Mold is a craftable item that is placed in to a Forge and used to cast Scrap Lead into Lead Ingots. Due to the fact a Lead Ingot Mold is not affected by durability it will not suffer any damage and last indefinitely. As with all Molds it will only accept scrap items with the correct type of base metal, in this case lead. For a current list of all lead based items check the page Scrap Lead.
How is it used? The lead test is used to determine the concentration of lead in the blood at the time the sample was collected. The blood lead test is used to screen for exposure to lead. It may also be ordered to monitor the effectiveness of treatment and to confirm that lead levels are decreasing over time.