1.   Farmers who add the chemicals to animal feed pour yet more into the environment.

2.   The recommendation is to avoid attempting to remove algae by adding chemicals to the aquarium water.

3.   Workers add chemicals to remove impurities such as sulphides.

4.   Chemicals were added to disinfect the water.

5.   Automation however, goes no further as chargehands Joe Farquhar, Robert Long and their team load and unload the hanks of yarn and add dyestuff chemicals by hand.

6.   A second, more successful provision called for stretching gasoline supplies by adding filler chemicals to ordinary gasoline, like Hamburger Helper to ground beef.

7.   After the fish kill, a second chemical is added to the water to make the Rotenon inert.

8.   Chemicals are added.

9.   First it added chemicals to the list, the action that was challenged in court.

10.   In addition, chemicals are usually added to improve the consistency and performance of the oil.