Scatter synonym domino cards face up on a flat surface. 2. Taking turns, student one places the START domino on the table, and reads the word on the other end of the domino (i.e., small). 3. Looks for a domino with a synonym (i.e., little).
Reducing Mercury in Gold Shops with a Mercury Capture System Small-scale gold refining and processing is a major cause of air pollution from mercury. EPA helped design a low-cost mercury capture system that is simple to build and install, using locally available materials, and that reduces mercury emissions by at least 80%.
When elemental mercury is spilled or a device. containing mercury breaks, the exposed elemental mercury can evaporate and become an. invisible, odorless toxic vapor. This happens with the most known devices such as barometers, blood pressure gauges, thermometers, etc. Both the breakage as the mismanagement of these.